This damn game

This crap game forces me to watch an ad every time I clear a stage. If I close and reopen it, the ad just restarts. Fine, whatever. But it also has bugs from time to time. Twice already, I've cleared all the red-bordered objectives, but the quest at the top didn't disappear and wasn't marked as complete. So I had to close and reopen the game to play it again. I'm going crazy.