Advertising, nag screens to review and random crashes
The game is simple and I would enjoy it but... There is an advertisement EVERY level that will not close when you tap on the X after a 5 second countdown. On top of that it nags about rating the game. Lastly it crashed right after I gave it a 1 star on its nag screen. I deleted it. I think with the programming tutorials out, I could write a better simple scrolling shooter without all the nagging.