Lucky Ball Shot is an awesome game to kill time.

Control your cannon to destroy the balls.
One big ball will split into many small balls when the number decreases.
Magic ball is many color balls and it changes color when decrease number of a ball.
Unlock the cannons and experience the fun of different shooting.
Earn free coins when you leave.
Endless, relaxed gameplay.
Infinite levels.

Download it for free and have fun! Be careful though - it can be very addictive!