Here is some of the creative and production work for an iPad game called Zerks Bot Bash. It was a tilt controlled platformer.
Gameplay and interface screens.
Mock-up of the tilt controlled platformer.
Level map rough sketch. The starship Venturi 553 was attacked and sustained heavy damage and only a lowly service bot could save the crew by navigating the wreckage and turning on force fields to protect them from the void of space.