This game is based on Crazy Gravity for the PC by Axel Meierhoefer.
You are the captain of a freight shuttle on a far away moon base. Crazy gravity rules the place. Your objective is to move cargo from their platforms to your homebase; avoiding obstacles like cannons,magnets and one-way gates.
TheUnderminer included a test file that produces a “test error” with the included level editor, this issue should be history now.