Android app for browsing, editing and installing Galaxy Fit3 (SM-R390) watch faces — edit the face's own binary on a canvas, validate it, then send it to the watch over Bluetooth.
android kotlin room reverse-engineering bluetooth file-format watchface rfcomm android-app smartwatch wearable binary-format jetpack-compose hilt material3 galaxy-fit3 watch-face-editor sm-r390
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Updated
Aug 25, 2026 - Kotlin