Chain Reaction Saga: free puzzle app game for iphone, ipad

Chain Reaction Saga is a free puzzle app game. The scenario: a grid has balls moving in all directions, and bouncing off the walls.  You must place one large circle anywhere on the board to capture the bouncing balls.

However, you have a limited amount of time to do this.  I was able to do solve level 4 which required me to capture 6 out of the 11  balls.

Tough!  Fun? Not as much as it could be.  The graphics really need to be spiced up.