Well if you have a Sprint Touch Pro (may work for other carriers, not sure though) and Teeter does not give you feedback when the ball hits the walls, this CAB may help. It should give you feedback no matter what version of teeter you have installed provided you're on a Touch Pro, no promise that this might not "brick" your phone, YMMV (but after a long hard
I wrote it and it works for me.)
If this helps please hit the thanks tab!
Respect to all the others on the forum who bring great things to life!