Native Android AI agent: use your own API keys (OpenAI/Anthropic/Gemini), opencode-style modes, device tools, Shizuku shell, screen analysis, web search, custom Skills, voice assistant
Verlintas/BetterAIChat has 172 GitHub stars.
It currently ranks #47008 daily, #46974 weekly, #47432 monthly by momentum on Trending Repos; its best-ever rank is #4647.