Hobby-beta APK (debug-signed, not Play Store). No Flutter SDK.
Fixes a leftover Config not saved: no BLE connection line in Settings after a working save. Save is enabled only after the GATT config characteristic is ready.
English UI. Defaults: 109 LEDs, GPIO 5. Do not pair DarkroomTimer in Android Bluetooth settings — hold Focus 3 seconds → Settings → Scan for devices.