The popups are from visiting tapatalk forums on a mobile via browser, they prompt u to get the app. Once u use app instead u don't get em
All the other problems seem to be with android itself or the Market place.
I've had no issue with it on me iPhone.

Makes browsing a forum so much easier. No need to zoom in to read text n then zoom out to move round page and then zoom in etc etc
Threads load quicker too as there ain't all the gumf... Just the text in the posts themselves (and pics n links

)
Lastly it's real easy to flick between forums, I'm active on about 5 or 6 forums currently lol. No having to roam round favourites n loggin in etc
