TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
Lux Delux - Lux Delux is a game of strategy and domination inspired by the board game Risk.
Particlescape - Particlescape app lets you create stunning patterns at your fingertips.
Streets of Chaos - Streets of Chaos is a Puzzle, Tactical, Turn-based Strategy and Single-player Simulation created by SimProse Studios.
Heat Pad - Heat Pad – Relaxing Heat Sensitive Surface is a beautiful app that simulates multiple heat-sensitive surfaces reacting to the heat of your fingertips.
ThumbZilla - Awesome thumb stomping and kicking action game.