If you were paying attention to Steve Jobs keynote at WWDC 2010 you will know that music game Guitar Hero has now entered the Apple iTunes App Store for the iPhone and iPod Touch.

So if you iPhone toting Guitar Hero fans out there want to strum your music you can now grab Guitar Hero for iPhone right from the App Store at a cost of $2.99 reports Leanna Lofte over at tipb.

Guitar Hero for iPhone features social integration for sharing with Facebook, view leaderboards and strong avatar customisation and includes such song as “We Are The Champions” by Queen, “Paint It Black” by The Rolling Stones, “Say It Ain’t So,” by Weezer, “Savior” by Rise Against, and “Cousins” by Vampire Weekend.

With Guitar Hero for iPhone the user can “play” songs by strumming, tapping and sliding to the music, and can furthermore download song packs through in-app purchase.