Ball often gets stuck in an infinite loop bounce between the solid blocks and the ceiling. It makes it totally retarded, because you have to quit and restart the stage, even if you only have one cookie left.
The ability to tap the screen to "knock" the ball in case it gets stuck would be great.
Ball also takes illogical phantom bounces off the solid blocks, making later stages damn near impossible.
The final stage seems like it is designed to sabotage you, with lots of illogical bounces, and the ball speed suddenly increases for no reason. It's frustrating and not really worth the time.
Overall it's kinda buggy, but a decent brick breaker ONLY if you're into anime girls and stuff.
Otherwise, avoid this.