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An open-source Android AI client built to bring local models, cloud models, knowledge workflows, and creative tools into one polished mobile experience.
Out of the box, customizable, and designed for everyday AI workflows on Android.
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HuaJuan is more than a chat interface. It is a comprehensive Android AI client that combines local inference, cloud connectivity, knowledge management, image generation, and file workflows in a single app.
- 📱 Modern mobile experience: A clean interactive UI with rich motion and thoughtful light/dark theme support.
- 🧠 Local and cloud models together: Run local LLM inference on Android through MNN, with Qwen3-0.6B included for immediate trial, while also connecting to providers such as OpenAI, Gemini, Anthropic, and SiliconFlow.
- 📚 Knowledge-ready workflow: Build a knowledge base from files, notes, and web pages with your own embedding model choices.
- 🎨 Creative and productive tooling: Generate images, manage files, translate content, organize topics, and work with customizable assistants in one place.
- Modern interactive UI: Built with a modern flat visual style and rich animations for a polished experience.
- Elegant theme switching: Supports beautiful light and dark theme transitions.
- Out-of-the-box usability: Includes a ready-to-try local model experience.
- Local model deployment on Android: Uses MNN to enable local LLM deployment and inference on Android devices.
- Cloud model support: Connects to a broad range of cloud AI services including OpenAI, Gemini, Anthropic, SiliconFlow, and more.
- Smart assistants and chat: Provides a flexible assistant ecosystem with extensive customization options.
- Knowledge base system: Index files, notes, and web pages with your preferred embedding models.
- Professional image generation: Includes a mobile-first image workflow with detailed adjustable parameters.
- AI-driven translation: Supports translation as part of the wider productivity workflow.
- Comprehensive file management: Search, manage, and batch-handle in-app files from a centralized file center.
- Global search: Quickly locate content and resources across the app.
- Topic management: Keep conversations and materials organized with topic-based structure.
Current and planned directions for HuaJuan:
- Improvement of interaction logic
- Performance optimization
- Backend integration of MCP features
- OCR (Optical Character Recognition), planned around Deepseek OCR
- TTS (Text-to-Speech) interaction, planned around MNN TTS
- Development of a local model market
Contributions of all sizes are welcome. You can help HuaJuan by:
- Suggesting improvements
- Reporting bugs and issues
- Optimizing code
- Developing planned features
- Writing project documentation
- Helping with project internationalization (i18n)
- Promoting and sharing HuaJuan
- Fork the repository and clone it locally.
- Create a branch for your work.
- Commit and push your changes.
- Open a pull request with a clear description of what changed and why.
git clone https://github.com/Enchograph/HuaJuan.git
cd HuaJuan- Launch Android Studio
- Select
File->Open - Choose the project root directory
- Wait for Gradle sync to complete
Set the following in local.properties if your IDE does not configure them automatically:
ndk.dir=/path/to/ndk
cmake.dir=/path/to/cmake.\gradlew.bat :app:assembleDebug --no-daemon./gradlew :app:assembleDebug --no-daemon- MNN: Provides the foundation for HuaJuan's Android local model deployment feature.
- MnnLlmChat: Referenced during the implementation of Android local model deployment.
Thanks to the open-source community for the work that makes projects like HuaJuan possible.