I build Android apps and practical AI workflows, and share the tools and lessons that come out of them.
- Focus: local-first products, maintainable Kotlin architecture, and AI-assisted development.
- Principle: understand the real problem, keep the scope clear, and ship something people can use.
- SnapMosaic — Android photo privacy tool with on-device detection, precise masking, face stickers, and watermarks. Available on Google Play.
- Pulse — Coroutine-first MVI runtime for Kotlin/JVM, Android, and Jetpack Compose. Published on Maven Central.
- Magic Android Platform — Shared Gradle conventions and quality checks for Android, Compose, and Pulse.
- Magic App Dev — A Codex plugin for Android app research, development, release, analytics, and iteration.
- LifeOS Template — A local Markdown knowledge base with Obsidian for recording and Codex for organizing, retrieving, and reviewing personal knowledge.
- Magic Daily Skills — Codex skills for writing, research, artifact reviews, and workspace cleanup.
- MeloNest — AI music generation and a local music library for Android.
In development - Magic Obsidian — Reusable Obsidian visual and workspace presets.
- Codex Pets — Installable pets for Codex, featuring Yinyue (银月).