IGN has the first screens and preview for that OTHER Transformers: Revenge of the Fallen tie-in video game... the one you can play on your cellphone. They say it's primarily a side-scrolling platform game, in which you help Optimus Prime beat, smash and blast Decepticons through a series of levels. Overall, they seem impressed with the li'l game, which is due out on June 4.

Click here for the preview and screenshots.