“Star Wars: The Force Unleashed” demonstrates the potential of the iPhone as a gaming platform, but it leaves much to be desired in execution. While LucasArts generated much fanfare around the release of the game for various video game consoles, the mobile version feels like an afterthought, as if someone on the development team heard about the pending debut of the App Store and decided to throw a few people at a quickie game that would make a few bucks simply because it has the name “Star Wars” attached to it.