Production-ready scripts for Android app testing, building, and automation. Provides semantic UI navigation, build automation, log monitoring, and emulator lifecycle management. Optimized for AI agents with minimal token output.
Implement app navigation in Jetpack Compose using Navigation 3 (Nav3). Use when asked to set up Nav3, define NavKey destinations, create NavigationState or Navigator classes, replace NavController/NavHost with entryProvider and NavDisplay, migrate from Navigation Compose, or structure multi-screen Compose apps.
Implement Google's Material Design 3 (Material You) UI system. Primary: Jetpack Compose Material3 (MaterialTheme, components, adaptive layout). Also Flutter and limited web (@material/web, maintenance mode). Covers tokens, 30+ components, layout, theming, M3 Expressive (platform matrix), and accessibility. Use when: "material design", "MD3", "material you", "Jetpack Compose", "MaterialTheme", "material component", "md3 button".