WatchTronome is an Open Source LiteOS app for Huawei Watch GT2 Pro which allows you to obtain a metronome that acts by making the watch vibrate.
WatchTronome is available in Huawei Health app.
To download WatchTronome, you need to have a Huawei Watch GT2 Pro connected at your smartphone and click on AppGallery icon on the application.
All Privacy informations are available here.