This game certainly has potential. The gameplay is simple and it's addictive to find different ways to knock down all the walls. I only have a few suggestions..
1.) More levels
2.) Harder levels
3.) Allow the player to reset when the ball is still on the catapult
 "Kick Out Bieber"){kind=icon}
 "Castle Clout 2.0"){kind=icon}
 "Aether"){kind=icon}