I use it on an older Ticwatch C2+ with gadget bridge. I like it. It works well for what I need it for. They just released 2.0, which means it's still actively developed (though development is slow) My only issue is that with newer versions of android, something about the bluetooth makes it disconnect randomly. Don't know if that's just my device, or my phone, or common. But I randomly have to forget the device and re-pair it. Which is kind of annoying.