Not really playable, thanks to inevitable in-app advertising - Not for Children

I have "acquired" this game as part of a free action. Thought that maybe my 7-year-old son could do with playing with it while driving ...
Unfortunately I managed to not select a bird-type (for Level 1 required), without always
Encountering bids that occupied half the screen area. Even the strictly necessary to play clicks and almost every menu are supported with in-app purchases (although settings activated in the App Store).

Since I am not Angry Birds player, I have perhaps not understood everything correctly, .. The above description is, however, at least the impression again, I had a total of three game trials.