While I was viewing macrumors' live coverage at WWDC, they showed a trailer of guitar hero for iPhone and talked about it, here is the blog post. The bottom is the beginning by the way. "10:26 am Steve back on stage. 10:26 am Apparently available today for $2.99? 10:26 am As you score points, you level up your "rock rank." 10:25 am Gameplay trailer being shown, looks pretty cool. 10:25 am Aside from obvious tapping mechanics, new stumming mechanic utilizes multitouch display to "make the gameplay perfect." 10:24 am Gameplay is similar to classic guitar hero. 10:24 am Comes with classic rock like Queen and Rolling Stones as well as new artists like Rise Against. 10:24 am New Guitar Hero shows 3D rockstars that are fully customizable. 10:23 am "Guitar Hero is a pop culture phenomenon." 10:23 am Activision Senior VP Karthik Bala up next to talk about Guitar Hero."