There is also a dedicated build variant for Bangle.js on F-droid [1], Play Store [2] (which the normal Gadgetbridge avoids [3]) and also in our F-droid Nightly releases repo [4].
[1] https://f-droid.org/en/packages/com.espruino.gadgetbridge.ba...
[2] https://play.google.com/store/apps/details?id=com.espruino.g...
[3] https://f-droid.org/packages/nodomain.freeyourgadget.gadgetb...