Did anyone try to install xposed on one of these smartwatch?
Yes… on K18.
Nice thank you. But that’s a kk, I have a blitz with lollipop, so it’s a completely different story.
I think is not possible on Lollipop… 
It should be, there is xposed for lollipop, but it could lead to bootloops on some devices. I don’t know if that is the case… I would try, but at the moment I have no chance to recover the watch then if something goes wrong