[Update: It should be noted that Gameloft is following a trend of "Guitar-hero style" gaming by announcing their own franchise called Rock Tour. It is in no way affiliated with the brands and is just another title among many in the genre]
Guitar Hero has managed to put itself on every platform out there. There’s Guitar Hero for BlackBerry, Windows Mobile, Nokia, Wii, XBox, PlayStation. Gameloft is following this trend by releasing their own version for iPhone. Gameloft has released Guitar Rock Tour making the popular genre even more popular.
Gameloft’s build offers 17 tracks and the app is £4.99/€5.99.