Andro Wadap itself works perfectly but Jolla makes the UX not so good by
- not allowing the notifications on lockscreen
- not integrating the notifications to the system-wide "alarm"-system
- making it work so that app has to be open in a window all-the-time, not in the background fully -> thus you are online, but this is not the way intended.

Just to name few. If those wouldnt be accurate, my apologies, anyway thats how i remember.