Greed (com.silkygoose.greed) on Google Play
Greed is a simple puzzle game whose objective is to erase as much of the screen as possible by moving around in a grid of numbers, where each number represents a distance. The cursor can be moved in all 8 directions via swiping gestures anywhere on the screen. Undos are available by swiping back to the previous position.Legend has it that breaking 90% is impossible.