Perpetuum mobile highlights continually moving and rotating balls. Up to 500 balls can be shown at one time. The ball movement can be selected to follow gravitation rules or be manipulated impulsively. The spectator position can be the screen, the middle of the room, on a ball or on an elevator. Hereby special visual effects come to the validity. The user can plan diverse attitudes from six dialog sides and save these into a file. The further can be started a small reaction game and a screensaver. For Windows CE is offered Perpetuum mobile for different processors, that were not tested all by us. Please test Perpetuum mobile with our test-version on your CE-device therefore beforehand.