Vectorman Mega Game for Android

In 2049, the human population of the Earth decide to abandon it, leaving mechanical "robots" behind them to clean up the mess they made on Earth through littering and pollution. Raster, a high-level robot who watches Earth through a planetwide computer network, is accidentally attached to a working nuclear missile by a lesser robot and goes insane, becoming an evil dictator named Warhead. He declares himself ruler of Earth, and begins preparing to execute any humans who dare return to their planet. However, Vectorman, a good cleanser robot, decides to overthrow the dictator and free the planet.