Wow, this looks pretty cool! It seems you have quite a few features going... The main reason I haven't gotten a smartwatch yet is because of privacy concerns. But now seems like a good time to experiment with one of the watches you support.

I also still dream of one day daily driving a Linux smartphone, but that feels a bit more unrealistic to me, as I have more expectations from a phone, like being able to use bank apps and having a good battery life. But for a smartwatch, which I only expect to show me some biometrics and pass notifications from my phone, this seems perfect.

On this note: aren't JavaScript and QML/Qt too heavy/bloated for a device so small? I expect them to constrain performance and battery life quite a bit, but I admit I don't have a clue and would love to be proven wrong...