The most glanceable surface in the family: a focus ring, a Checkpoint quick-add, +5 extend, and Pause/Resume โ reading the same account as the phone and the extension.
Clone tabatha-watch, then run .\gradlew.bat :app:assembleDebug (needs JDK 17 and Android SDK 34). The APK lands at app\build\outputs\apk\debug\app-debug.apk.
Settings โ About watch โ Software โ tap Software version 7 times.
Settings โ Developer options โ turn on ADB debugging and Debug over Wi-Fi; note the IP:port it shows.
From your PC: adb connect <watch-ip>:<port>, then adb -s <watch-ip>:<port> install -r app\build\outputs\apk\debug\app-debug.apk.
Open Tabby Watch โ it runs in preview mode until paired. See Pairing devices for the 6-digit code flow.
From the watch face's own customization menu, so your focus and remaining time show without opening the app.