v0.1.0 — offline floating-button STT (DE/EN)

Debug-signed release build. Floating overlay button, tap to record / tap or pause to stop, offline transcription via bundled Vosk models (German + English, switch via the notification action), result copied to clipboard.

Install: enable "Install unknown apps" for your file manager/browser, then open the APK. Grant microphone, notifications, and "display over other apps" when MainActivity asks.