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🤖 Meemo is a powerful Android digital assistant inspired by Google Assistant. It enables voice and text commands to control apps, device features, and automation. Designed for both rooted and non-rooted devices, Meemo combines Kotlin, Android APIs, AI, Accessibility, and optional root capabilities into one extensible assistant.

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🤖 Meemo — Android Digital Assistant

🎙️ Voice • ⌨️ Text • 🧠 AI • ⚙️ Automation • 🔐 Root & Non-Root

Meemo is a powerful Android digital assistant designed to understand natural-language commands and perform actions on an Android device through voice or text.


📖 About Meemo

Meemo is an Android-based digital assistant inspired by assistants such as Google Assistant, but designed with a strong focus on Android device control, automation, extensibility, and user-defined commands.

The core idea is simple:

"Talk to Meemo. Tell it what you want. Meemo understands the command and performs the appropriate action."

Meemo will support two primary interaction methods:

  • 🎙️ Voice Commands
  • ⌨️ Text / Typing Commands

The assistant will be designed to operate on both:

  • 📱 Non-rooted Android devices
  • 🔓 Rooted Android devices

The available capabilities will depend on Android's security restrictions, granted permissions, device capabilities, and whether root access is available.


🎯 Project Vision

The long-term goal of Meemo is to create a fully customizable Android digital assistant capable of understanding natural language and interacting with the device at multiple levels.

Instead of requiring the user to manually navigate through applications and settings, Meemo should allow the user to simply say or type what they want.

Example

User:

"Hey Meemo, turn on the flashlight."

Meemo:

→ Understands the command
→ Detects the requested action
→ Checks available permissions/capabilities
→ Executes the flashlight action
→ Confirms the result

Another Example

User:

"Meemo, open the browser."

Meemo:

→ Detects the "open browser" intent
→ Searches installed applications
→ Identifies a suitable browser
→ Launches the selected browser

✨ Core Features

🎙️ 1. Voice Assistant

Meemo will be capable of receiving commands through the device microphone.

Example Commands

"Hey Meemo, turn on the flashlight."

"Meemo, open YouTube."

"Meemo, open my browser."

"Meemo, increase the volume."

"Meemo, turn on Bluetooth."

"Meemo, what is my battery percentage?"

Voice Pipeline

┌──────────────────────┐
│      Microphone      │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│ Speech Recognition   │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│        Text          │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│ Command Processing   │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   Intent Detection   │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   Action Execution   │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│ Response Generation  │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   Text-to-Speech     │
└──────────────────────┘

⌨️ 2. Text Assistant

Meemo will also provide a typing interface for users who do not want to use voice commands.

Example

User:

open browser

Meemo:

Opening your browser...

Voice and text commands should ultimately use the same internal command-processing system.

Unified Input Architecture

                  ┌───────────────┐
                  │   🎙️ Voice    │
                  └───────┬───────┘
                          │
                          │
┌─────────────────┐       │
│   User Input    │───────┤
└─────────────────┘       │
                          │
                  ┌───────┴───────┐
                  │   ⌨️ Text     │
                  └───────┬───────┘
                          │
                          ↓
                  ┌───────────────┐
                  │ Command Engine│
                  └───────┬───────┘
                          ↓
                  ┌───────────────┐
                  │ Intent System │
                  └───────┬───────┘
                          ↓
                  ┌───────────────┐
                  │Action Executor│
                  └───────────────┘

This avoids creating separate logic for voice and text commands.


🧠 3. Natural Language Understanding

Meemo should not depend entirely on exact phrases.

For example, these commands should ideally represent the same intent:

"Turn on the flashlight."

"Switch on the torch."

"Enable flashlight."

"Meemo, can you turn my torch on?"

"Please turn on the flash."

All of them should map to something similar to:

Intent: TORCH_ON

This allows Meemo to behave more like a real digital assistant rather than a simple collection of predefined commands.


📱 4. Android Application Control

Meemo will be able to interact with installed applications.

For example:

"Open YouTube."
"Launch Chrome."
"Open WhatsApp."
"Start the camera."

Instead of hard-coding every application, Meemo should use Android's application/package system to discover installed applications.

Application Discovery Pipeline

┌──────────────────────────────┐
│         User Command         │
│     "Open my browser"        │
└──────────────┬───────────────┘
               ↓
┌──────────────────────────────┐
│       Intent Detection       │
└──────────────┬───────────────┘
               ↓
┌──────────────────────────────┐
│       Browser Required       │
└──────────────┬───────────────┘
               ↓
┌──────────────────────────────┐
│ PackageManager / Intent      │
│ Resolver                     │
└──────────────┬───────────────┘
               ↓
┌──────────────────────────────┐
│   Find Suitable Browser      │
└──────────────┬───────────────┘
               ↓
┌──────────────────────────────┐
│     Launch Application       │
└──────────────────────────────┘

This makes the system adaptable to different Android devices.


🔦 5. Device Control

Depending on Android version, permissions, and available APIs, Meemo can provide commands for functions such as:

  • 🔦 Flashlight
  • 🔊 Volume
  • 🔕 Silent/Vibrate modes
  • 📳 Vibration
  • 🔋 Battery information
  • 📱 Application launching
  • 🎵 Media controls
  • 📋 Clipboard operations
  • 🔔 Notifications
  • 📶 Network-related information
  • ⚙️ Device settings
  • 🖥️ Screen-related operations
  • 🔐 Permission-aware operations

Some operations may be restricted by Android and therefore require alternative approaches or user interaction.


🔓 6. Root & Non-Root Architecture

One of the defining features of Meemo is its ability to work in two capability modes.

Non-Root Mode

On a normal Android device, Meemo will use supported Android APIs, intents, services, permissions, and accessibility mechanisms where appropriate.

┌───────────────┐
│     Meemo     │
└───────┬───────┘
        ↓
┌───────────────┐
│  Android APIs │
└───────┬───────┘
        ↓
┌──────────────────────┐
│ Permissions / Services│
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│     Android System   │
└──────────────────────┘

Root Mode

If the device has root access, Meemo can optionally provide an additional capability layer for operations that are otherwise unavailable to ordinary applications.

┌───────────────┐
│     Meemo     │
└───────┬───────┘
        ↓
┌────────────────────────┐
│ Root Capability Manager│
└───────────┬────────────┘
            ↓
┌────────────────────────┐
│      su / Shell        │
└───────────┬────────────┘
            ↓
┌────────────────────────┐
│     Android System     │
└────────────────────────┘

Root functionality should always be treated as an optional capability, not a requirement for the application to operate.


🔍 Capability Detection

Meemo should detect available capabilities at runtime.

                 ┌───────────────────┐
                 │ Is device rooted? │
                 └─────────┬─────────┘
                           │
                    ┌──────┴──────┐
                    │             │
                   YES            NO
                    │             │
                    ↓             ↓
             ┌────────────┐ ┌──────────────┐
             │ Root Layer │ │ Non-Root     │
             │            │ │ Layer        │
             └─────┬──────┘ └──────┬───────┘
                   │               │
                   └───────┬───────┘
                           ↓
                  ┌─────────────────┐
                  │ Action Executor │
                  └─────────────────┘

The assistant should always prefer the safest supported Android API before attempting a privileged method.


🏗️ Recommended Technology Stack

The recommended technology stack for Meemo is:

Area Recommended Technology
Primary Language Kotlin
IDE Android Studio
Platform Android SDK
Build System Gradle + Kotlin DSL
UI Jetpack Compose
Architecture Clean Architecture + MVVM
Dependency Injection Hilt
Async Programming Kotlin Coroutines + Flow
Voice Input Android Speech APIs / Speech Recognition
Voice Output Android Text-to-Speech
App Discovery PackageManager
App Launching Android Intents
Background Work Foreground Service / WorkManager where appropriate
Automation Accessibility Service where appropriate
Local Storage Room / DataStore
Networking Retrofit / OkHttp
AI/NLP LLM API or local AI model
Root Integration Optional shell / "su" capability layer
Version Control Git + GitHub

🥇 Why Kotlin?

Kotlin should be the primary programming language for Meemo.

Kotlin is the recommended choice because Meemo is fundamentally an Android-native application.

Kotlin provides excellent access to:

  • Android SDK
  • Jetpack libraries
  • Services
  • Activities
  • Intents
  • Broadcast receivers
  • Accessibility APIs
  • PackageManager
  • Permissions
  • Notifications
  • Media APIs
  • Bluetooth APIs
  • Camera APIs
  • System APIs
  • Coroutines
  • Modern Android architecture

It also provides concise and modern syntax compared with traditional Java Android development.

Recommended Language Hierarchy

                  ┌──────────────┐
                  │    MEEMO     │
                  └──────┬───────┘
                         ↓
                  ┌──────────────┐
                  │ Android App  │
                  └──────┬───────┘
                         ↓
                  ┌──────────────┐
                  │    Kotlin    │
                  └──────┬───────┘
                         │
             ┌───────────┴───────────┐
             ↓                       ↓
      ┌──────────────┐        ┌──────────────┐
      │ Android SDK  │        │   Jetpack    │
      └──────┬───────┘        └──────┬───────┘
             │                       │
             └───────────┬───────────┘
                         ↓
                ┌─────────────────┐
                │ Meemo Core      │
                │ System          │
                └─────────────────┘

🐍 What About Python?

Python can be useful for:

  • AI experiments
  • NLP prototypes
  • Backend services
  • Machine-learning experiments
  • Data processing
  • Rapid prototyping

However, Python should not be the primary language of the Android application.

For Meemo's core Android functionality:

"Kotlin is preferred over Python."

A future architecture could still use Python on a backend or AI service if required.


☕ What About Java?

Java is also fully capable of building Android applications.

However, for a new project:

Kotlin > Java

is the recommended approach.

Java can still be used for:

  • Existing Java libraries
  • Third-party SDKs
  • Legacy Android code
  • Components where Java integration is required

Kotlin and Java can coexist in the same Android project.


🧩 System Architecture

Meemo should follow a modular architecture rather than putting everything inside one Activity.

Recommended Architecture

┌─────────────────────────────────────────────────────┐
│                     MEEMO APP                       │
├─────────────────────────────────────────────────────┤
│                                                     │
│                 Presentation Layer                  │
│                                                     │
│        Voice UI / Chat UI / Settings                │
│                                                     │
├─────────────────────────────────────────────────────┤
│                                                     │
│                    Domain Layer                     │
│                                                     │
│       Command Parser / Intent / Use Cases           │
│                                                     │
├─────────────────────────────────────────────────────┤
│                                                     │
│                     Core Layer                      │
│                                                     │
│       Speech / TTS / AI / Permissions / Memory      │
│                                                     │
├─────────────────────────────────────────────────────┤
│                                                     │
│                 Capability Layer                    │
│                                                     │
│       Android APIs / Accessibility / Root           │
│                                                     │
├─────────────────────────────────────────────────────┤
│                                                     │
│                    Android OS                       │
│                                                     │
└─────────────────────────────────────────────────────┘

📂 Recommended Project Structure

A professional Meemo project can be organized like this:

Meemo/
│
├── app/
│   ├── src/
│   │   ├── main/
│   │   │   │
│   │   │   ├── java/com/meemo/
│   │   │   │   │
│   │   │   │   ├── MainActivity.kt
│   │   │   │   │
│   │   │   │   ├── presentation/
│   │   │   │   │   ├── ui/
│   │   │   │   │   ├── screens/
│   │   │   │   │   ├── components/
│   │   │   │   │   └── theme/
│   │   │   │   │
│   │   │   │   ├── domain/
│   │   │   │   │   ├── model/
│   │   │   │   │   ├── usecase/
│   │   │   │   │   └── repository/
│   │   │   │   │
│   │   │   │   ├── data/
│   │   │   │   │   ├── repository/
│   │   │   │   │   ├── local/
│   │   │   │   │   ├── remote/
│   │   │   │   │   └── database/
│   │   │   │   │
│   │   │   │   ├── assistant/
│   │   │   │   │   ├── command/
│   │   │   │   │   ├── intent/
│   │   │   │   │   ├── parser/
│   │   │   │   │   └── response/
│   │   │   │   │
│   │   │   │   ├── voice/
│   │   │   │   │   ├── SpeechRecognizer.kt
│   │   │   │   │   ├── VoiceController.kt
│   │   │   │   │   └── WakeWordDetector.kt
│   │   │   │   │
│   │   │   │   ├── tts/
│   │   │   │   │   └── MeemoTTS.kt
│   │   │   │   │
│   │   │   │   ├── capabilities/
│   │   │   │   │   ├── CapabilityManager.kt
│   │   │   │   │   ├── NonRootCapability.kt
│   │   │   │   │   └── RootCapability.kt
│   │   │   │   │
│   │   │   │   ├── actions/
│   │   │   │   │   ├── ActionExecutor.kt
│   │   │   │   │   ├── AppActions.kt
│   │   │   │   │   ├── DeviceActions.kt
│   │   │   │   │   └── SystemActions.kt
│   │   │   │   │
│   │   │   │   ├── accessibility/
│   │   │   │   │   └── MeemoAccessibilityService.kt
│   │   │   │   │
│   │   │   │   ├── root/
│   │   │   │   │   ├── RootManager.kt
│   │   │   │   │   └── ShellExecutor.kt
│   │   │   │   │
│   │   │   │   ├── apps/
│   │   │   │   │   ├── AppManager.kt
│   │   │   │   │   └── PackageResolver.kt
│   │   │   │   │
│   │   │   │   ├── permissions/
│   │   │   │   │   └── PermissionManager.kt
│   │   │   │   │
│   │   │   │   ├── services/
│   │   │   │   │   └── MeemoForegroundService.kt
│   │   │   │   │
│   │   │   │   └── settings/
│   │   │   │       └── SettingsManager.kt
│   │   │   │
│   │   │   └── res/
│   │   │       ├── drawable/
│   │   │       ├── mipmap/
│   │   │       ├── values/
│   │   │       └── xml/
│   │   │
│   │   └── test/
│   │
│   └── build.gradle.kts
│
├── core/
│   ├── common/
│   ├── model/
│   ├── logging/
│   └── utilities/
│
├── features/
│   ├── assistant/
│   ├── voice/
│   ├── applications/
│   ├── automation/
│   ├── settings/
│   └── memory/
│
├── docs/
│   ├── architecture/
│   ├── commands/
│   ├── development/
│   └── security/
│
├── .github/
│   ├── workflows/
│   ├── ISSUE_TEMPLATE/
│   └── PULL_REQUEST_TEMPLATE.md
│
├── gradle/
├── build.gradle.kts
├── settings.gradle.kts
├── gradle.properties
├── LICENSE
├── CONTRIBUTING.md
├── SECURITY.md
└── README.md

Important: The project tree above is intentionally placed inside a fenced code block so GitHub's desktop and mobile renderers preserve the exact directory structure and indentation.


🧠 Command Processing Architecture

Every command should pass through a controlled pipeline.

                         USER
                          │
              ┌───────────┴───────────┐
              │                       │
          🎙️ Voice                 ⌨️ Text
              │                       │
              └───────────┬───────────┘
                          ↓
                ┌───────────────────┐
                │ Input Normalizer  │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │  Command Parser   │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │  Intent Detection │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │ Entity Extraction │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │Capability Checking│
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │  Action Planning  │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │  Action Executor  │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │ Android / Root API│
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │  Result Handler   │
                └─────────┬─────────┘
                          ↓
                ┌───────────────────┐
                │Response Generator │
                └─────────┬─────────┘
                          ↓
                 ┌────────┴────────┐
                 │                 │
              🔊 Voice          💬 Text

🎯 Intent System

Meemo should internally represent commands using structured intents.

Example 1

User:

"Hey Meemo, turn on the flashlight."

Intent:

TORCH_ON

Example 2

User:

"Open Chrome."

Intent:

OPEN_APPLICATION

Entity:

Chrome

Example 3

User:

"Open my browser."

Intent:

OPEN_BROWSER

Entity:

Browser

This approach allows multiple natural-language commands to trigger the same functionality.


⚙️ Action System

Every supported operation should ideally be represented as an action.

Example Actions

Action
├── OPEN_APPLICATION
├── OPEN_BROWSER
├── TORCH_ON
├── TORCH_OFF
├── SET_VOLUME
├── GET_BATTERY
├── OPEN_SETTINGS
├── MEDIA_PLAY
├── MEDIA_PAUSE
└── ...

The ActionExecutor determines how an action should be performed.


🔐 Capability Manager

The Capability Manager is one of the most important components of Meemo.

It determines:

  • What Android version is running
  • Which permissions are granted
  • Whether Accessibility Service is enabled
  • Whether root is available
  • Which APIs are supported
  • Which execution method is safest
  • Whether user confirmation is required

Capability Decision Flow

┌─────────────────────────┐
│    Requested Action     │
└────────────┬────────────┘
             ↓
┌─────────────────────────┐
│   Capability Manager    │
└────────────┬────────────┘
             ↓
      ┌───────────────┐
      │ Android API   │
      │ can do it?    │
      └───────┬───────┘
              │
         ┌────┴────┐
        YES        NO
         │          │
         ↓          ↓
┌──────────────┐ ┌──────────────────────┐
│ Android API  │ │ Accessibility needed?│
└──────────────┘ └───────────┬──────────┘
                             │
                        ┌────┴────┐
                       YES        NO
                        │          │
                        ↓          ↓
               ┌──────────────┐ ┌──────────────────┐
               │Accessibility │ │ Root available?  │
               └──────────────┘ └────────┬─────────┘
                                         │
                                    ┌────┴────┐
                                   YES        NO
                                    │          │
                                    ↓          ↓
                             ┌────────────┐ ┌──────────────┐
                             │ Root Layer │ │ Inform User  │
                             └────────────┘ └──────────────┘

🔊 Text-to-Speech

Meemo should be capable of responding verbally.

Example

User:

"Meemo, what's my battery level?"

Meemo:

"Your battery is at 78 percent."

Response Pipeline

┌───────────────────┐
│   Action Result   │
└─────────┬─────────┘
          ↓
┌───────────────────┐
│Response Generator │
└─────────┬─────────┘
          ↓
┌───────────────────┐
│       Text        │
└─────────┬─────────┘
          ↓
┌───────────────────┐
│  Text-to-Speech   │
└─────────┬─────────┘
          ↓
┌───────────────────┐
│      Speaker      │
└───────────────────┘

🎙️ Wake Word

The intended interaction model includes a wake phrase such as:

"Hello Meemo"

or simply:

"Meemo"

Wake-Word Flow

┌──────────────┐
│     Idle     │
└──────┬───────┘
       ↓
┌────────────────────┐
│ Wake Word Detection│
└─────────┬──────────┘
          ↓
┌────────────────────┐
│      "Meemo"       │
└─────────┬──────────┘
          ↓
┌────────────────────┐
│      Listening     │
└─────────┬──────────┘
          ↓
┌────────────────────┐
│ Speech Recognition │
└─────────┬──────────┘
          ↓
┌────────────────────┐
│ Command Processing │
└────────────────────┘

Wake-word implementation must consider Android background execution restrictions, battery consumption, microphone privacy, and user permissions.


📦 Application Discovery

Meemo should not rely exclusively on hard-coded package names.

For example, if the user says:

"Open my browser."

Meemo can conceptually:

┌───────────────────────────┐
│ Search installed packages │
└─────────────┬─────────────┘
              ↓
┌──────────────────────────────┐
│ Identify browser-capable apps│
└─────────────┬────────────────┘
              ↓
┌──────────────────────────────┐
│ Rank / select appropriate app│
└─────────────┬────────────────┘
              ↓
┌──────────────────────────────┐
│ Launch using Android Intent  │
└──────────────────────────────┘

This allows Meemo to work across different Android devices.


♿ Accessibility Integration

Android Accessibility Services can provide additional automation capabilities where permitted and appropriate.

Potential Use Cases

  • Reading UI information
  • Interacting with accessible UI elements
  • Performing certain user-requested automation tasks
  • Assisting users with device navigation

Accessibility should be used responsibly and only for legitimate assistant functionality.

Meemo should never use accessibility mechanisms to bypass Android security protections or perform actions without appropriate user authorization.


🔓 Root Integration

Root support is an advanced optional feature.

A rooted device may provide Meemo with additional system-level capabilities.

The architecture should isolate root functionality:

root/
├── RootManager.kt
├── ShellExecutor.kt
├── RootCapability.kt
└── RootCommandPolicy.kt

Root commands should be:

  • Explicitly controlled
  • Validated
  • Logged where appropriate
  • Protected against command injection
  • Restricted to approved operations
  • Clearly separated from normal Android APIs

The application should never assume that root exists.


🛡️ Security Principles

Security is a core requirement for an assistant capable of controlling a device.

Meemo should follow these principles:

1. Least Privilege

Only request permissions when necessary.

2. Explicit User Consent

Sensitive actions should require confirmation when appropriate.

3. Root Isolation

Root functionality must be isolated from normal application logic.

4. Command Validation

Never execute arbitrary user-provided shell input directly.

Bad

execute(userInput)

Preferred

┌──────────────────┐
│    User Input    │
└────────┬─────────┘
         ↓
┌──────────────────┐
│      Intent      │
└────────┬─────────┘
         ↓
┌──────────────────┐
│ Validated Action │
└────────┬─────────┘
         ↓
┌──────────────────┐
│ Approved Executor│
└──────────────────┘

5. Secure AI Integration

If an external AI/LLM is used, sensitive device information should not be sent unnecessarily.

6. Privacy

Voice data, command history, application information, and device information should be handled transparently.


🗃️ Memory System

A future version of Meemo can include a local memory system.

Potential Examples

  • User preferences
  • Frequently used applications
  • Custom commands
  • Assistant personality
  • Command history
  • User-defined aliases

Example

User:

"Whenever I say 'work browser', open Firefox."

Meemo:

"Got it."

Later:

User:

"Meemo, open my work browser."

Meemo:

→ Resolves custom alias
→ Launches Firefox

Memory should be optional and user-controlled.


🤖 AI Integration

The first version of Meemo does not necessarily require an AI model.

A rule-based command engine can initially handle commands such as:

"turn on flashlight"
"open YouTube"
"open browser"
"check battery"

Later, an AI/LLM layer can improve natural-language understanding.

Hybrid Architecture

┌───────────────┐
│     User      │
└───────┬───────┘
        ↓
┌───────────────────┐
│   Voice / Text    │
└─────────┬─────────┘
          ↓
┌────────────────────┐
│ Command Normalizer │
└─────────┬──────────┘
          ↓
┌────────────────────┐
│ Local Command      │
│ Matcher             │
└─────────┬──────────┘
          ↓
      ┌───────────┐
      │Known Intent│
      │    ?       │
      └─────┬─────┘
            │
       ┌────┴────┐
      YES        NO
       │          │
       ↓          ↓
┌────────────┐ ┌──────────────┐
│  Execute   │ │   AI / LLM   │
└────────────┘ └──────┬───────┘
                      ↓
              ┌──────────────┐
              │Intent Extract│
              └──────┬───────┘
                     ↓
              ┌──────────────┐
              │Safety        │
              │Validation    │
              └──────┬───────┘
                     ↓
              ┌──────────────┐
              │Action        │
              │Executor      │
              └──────────────┘

This approach can reduce unnecessary API calls and improve reliability.


📴 Offline Capability

Meemo should aim to keep basic commands functional without an internet connection.

Potential Offline Commands

  • Flashlight
  • Volume
  • Launch apps
  • Battery status
  • Device information
  • Basic settings navigation
  • Media controls

Cloud AI can optionally be used for advanced natural-language understanding.


🧪 Example Command Set

Device

"Turn on the flashlight."
"Turn off the flashlight."
"Increase volume."
"Decrease volume."
"Set volume to 50 percent."
"Check battery."

Applications

"Open YouTube."
"Launch Chrome."
"Open WhatsApp."
"Open the browser."
"Start the camera."

Media

"Play music."
"Pause."
"Resume."
"Next song."
"Previous song."

System

"Open Wi-Fi settings."
"Open Bluetooth settings."
"Open display settings."
"Open battery settings."

The exact capabilities depend on Android version, available APIs, permissions, and device manufacturer restrictions.


🛠️ Development Roadmap

Phase 1 — Foundation

  • Create Android Studio project
  • Configure Kotlin
  • Configure Gradle
  • Build basic UI
  • Implement MVVM/Clean Architecture
  • Create command model
  • Create action system

Phase 2 — Text Assistant

  • Text input
  • Command parser
  • Intent system
  • Basic action executor
  • Application launching
  • Basic device information

Phase 3 — Voice Assistant

  • Speech recognition
  • Microphone permission
  • Voice command processing
  • Text-to-Speech
  • Assistant response system

Phase 4 — Device Control

  • Flashlight
  • Volume
  • Media controls
  • Battery information
  • Settings navigation
  • Device capabilities

Phase 5 — Application Intelligence

  • Package discovery
  • Browser detection
  • Application aliases
  • Application ranking
  • Dynamic app launching

Phase 6 — Automation

  • Accessibility integration
  • Foreground service
  • Automation engine
  • User-defined actions

Phase 7 — Root Support

  • Root detection
  • Capability manager
  • Root permission handling
  • Secure shell executor
  • Root-only actions

Phase 8 — AI

  • Natural-language understanding
  • Intent extraction
  • Context awareness
  • Conversation history
  • AI-powered command planning

Phase 9 — Advanced Meemo

  • Wake word
  • Offline assistant
  • Memory
  • Custom commands
  • Plugins
  • Advanced automation
  • Personalization

🧱 Future Plugin System

Meemo can eventually support plugins.

Example

plugins/
├── flashlight/
├── browser/
├── media/
├── messaging/
├── automation/
├── system/
└── custom/

A plugin could expose:

Name
Description
Supported Intents
Required Permissions
Required Capabilities
Executor

This would allow new features to be added without rewriting the entire assistant.


🧑‍💻 Development Environment

Recommended Environment

Component Recommendation
Operating System Windows / Linux / macOS
IDE Android Studio
Language Kotlin
Build Gradle + Kotlin DSL
Version Control Git
Repository GitHub
Minimum Android Version To be determined during development
Target Android Version Latest stable Android SDK

The minimum supported Android version should be selected after the initial architecture is established because some assistant capabilities depend heavily on Android API level.


📐 Design Philosophy

Meemo should follow these principles:

Simple for the User

The user should not need to know how Android works.

Powerful Underneath

The architecture should support advanced capabilities when permissions and device configuration allow them.

Modular

Features should be independently replaceable.

Secure

No command should receive more privileges than necessary.

Extensible

New commands should be easy to add.

Offline-First Where Practical

Basic device operations should not depend on cloud services.

AI-Enhanced, Not AI-Dependent

AI should improve understanding rather than become a single point of failure for basic operations.


📊 High-Level Architecture

                         ┌──────────────────┐
                         │      USER        │
                         └────────┬─────────┘
                                  │
                     ┌────────────┴────────────┐
                     │                         │
                  🎙️ VOICE                  ⌨️ TEXT
                     │                         │
                     └────────────┬────────────┘
                                  ↓
                       ┌────────────────────┐
                       │ Input Normalizer   │
                       └─────────┬──────────┘
                                 ↓
                       ┌────────────────────┐
                       │ Command Processor  │
                       └─────────┬──────────┘
                                 ↓
                       ┌────────────────────┐
                       │ Intent Engine      │
                       └─────────┬──────────┘
                                 ↓
                       ┌────────────────────┐
                       │ Capability Manager │
                       └─────────┬──────────┘
                                 ↓
                 ┌───────────────┴───────────────┐
                 │                               │
          ┌──────────────┐               ┌────────────────┐
          │ Android APIs │               │ Advanced Layer │
          └──────┬───────┘               └───────┬────────┘
                 │                               │
                 │                     ┌─────────┼─────────┐
                 │                     │         │         │
                 │                  Accessibility Root    AI
                 │                     │         │         │
                 └─────────────────────┴─────────┴─────────┘
                                       ↓
                             ┌────────────────────┐
                             │  Action Executor   │
                             └─────────┬──────────┘
                                       ↓
                             ┌────────────────────┐
                             │  Android Device   │
                             └─────────┬──────────┘
                                       ↓
                             ┌────────────────────┐
                             │ Response Generator │
                             └─────────┬──────────┘
                                       ↓
                              ┌────────┴────────┐
                              │                 │
                           🔊 TTS             💬 UI

🚀 Getting Started

Requirements

Install:

  1. Android Studio
  2. Android SDK
  3. JDK compatible with the selected Android Gradle Plugin
  4. Git
  5. An Android device or emulator

Clone the Repository

git clone https://github.com/your-username/meemo.git
cd meemo

Open the project in Android Studio and allow Gradle to synchronize.

Build the Project

./gradlew assembleDebug

Install on a Connected Android Device

./gradlew installDebug

Note: Replace "your-username" with the actual GitHub account or organization when the repository is created.


🧪 Testing Strategy

Meemo should be tested at multiple levels.

Unit Tests

Test:

  • Command parsing
  • Intent detection
  • Entity extraction
  • Capability logic
  • Action validation

Integration Tests

Test:

  • Speech → command pipeline
  • Command → action pipeline
  • Application discovery
  • Android service integration

Device Tests

Test across:

  • Different Android versions
  • Different manufacturers
  • Rooted devices
  • Non-rooted devices
  • Different screen sizes
  • Different default applications

📜 Example Internal Command Model

A command could conceptually look like:

Command {
    rawText
    normalizedText
    intent
    entities
    confidence
}

For:

"Hey Meemo, open Chrome."

the result could be:

rawText:
"Hey Meemo, open Chrome."

intent:
OPEN_APPLICATION

entity:
Chrome

confidence:
high

The executor can then perform the validated action.


🔮 Long-Term Vision

The ultimate goal is for Meemo to evolve from a simple command-based assistant into a context-aware Android automation platform.

Future versions could potentially understand commands such as:

Example 1

"Meemo, I'm going to sleep."

→ Enable an appropriate user-defined sleep routine

Example 2

"Meemo, open everything I need for studying."

→ Launch selected applications
→ Configure user-defined settings
→ Prepare the workspace

Example 3

"Meemo, remind me to charge my phone when the battery gets low."

→ Create a user-defined condition
→ Monitor battery state
→ Notify the user when the condition is met

These advanced capabilities should always operate within Android's security model and the permissions explicitly granted by the user.


🏆 Project Goals

Meemo aims to become:

  • 🤖 A personal Android AI assistant
  • 🎙️ A voice-controlled device interface
  • ⌨️ A powerful text assistant
  • ⚙️ An Android automation engine
  • 📱 An intelligent application launcher
  • 🔐 A permission-aware system assistant
  • 🔓 An optional root-enhanced assistant
  • 🧠 An AI-powered natural-language interface
  • 🧩 A modular and extensible platform

📄 License

License information will be added when the project license is finalized.


👨‍💻 Author

MARUF ALLAM MAHIM

Project

Meemo — Android Digital Assistant

"Talk to your device. Let Meemo handle the rest."


🤖 MEEMO

Your Android. Your Commands. Your Assistant.

About

🤖 Meemo is a powerful Android digital assistant inspired by Google Assistant. It enables voice and text commands to control apps, device features, and automation. Designed for both rooted and non-rooted devices, Meemo combines Kotlin, Android APIs, AI, Accessibility, and optional root capabilities into one extensible assistant.

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