Free till 5-24-11
Geo Slide! Use your motor skills, brain recognition, hand eye coordination, dexterity, imagination and problem solving skills.
Geo Slide for iPhone, iPod touch, and iPad on the iTunes App Store
Here is a Third Party Review of the app
[ame=http://www.youtube.com/watch?v=sGTo6RnqyOs]YouTube - Geo Slide - Shape Matching with a Twist! iPhone App Review[/ame]