Ads in the worst place and even after we pay

I agree with many, we pay for extra levels and now there ads on the bottom that covers up gameplay. What idiots are letting this happen? Never heard of ads popping up after you pay. I use to love to play this game for time to go by now I felt compelled to write a bad review on it since I cant legitimately play this game.

Lsr Guy about Airport Madness Mobile Lite, v1.6