Box v1.0.0 — Initial Release
Box is a security-hardened Android app for running large language models fully on-device. Forked from Google AI Edge Gallery with significant privacy and usability improvements.
Features
- On-device LLM inference via LiteRT and llama.cpp
- GGUF model support — import any compatible GGUF model from local storage
- Accelerator selection — choose CPU, GPU, or NPU per model
- Encrypted chat history — all conversations stored with SQLCipher encryption
- Biometric lock — optional fingerprint/face authentication to access the app
- Offline mode — block all network requests, run entirely air-gapped
- Chat persistence — conversations are saved and automatically resumed per model
- Copy to clipboard — long-press any AI response to copy it
Privacy
- No telemetry or data collection
- All inference runs locally on-device
- Chat history never leaves the device
- FLAG_SECURE prevents screenshots and screen recording
Notes
- Gemma models are subject to the Gemma Terms of Use
- GGUF import requires models compatible with llama.cpp