By Chit Agustin April 11, 2011 0 20 0 2 Just a few days ago, Google launched in-app billing on the Android market, allowing users to have full access to applications, games and the like. Talking about games, the longest running and the most downloaded music game of all time, Tap Tap Revenge 4, now features in-app billing. And guess what – it’s free! Advertisement Tap Tap Revenge has been an immensely popular and highly regarded music game on the iPhone for years. And now, you can play it on Android! Cool! Moreover, many top music hits are available to play along in the game. Who would not want to fly “Like a G6” and live the “Teenage Dream”? And I bet you want to “Just Dance” while playing Tap Tap Revenge 4. Hits by Lady Gaga, Katy Perry and Far East Movement are only to name a few tracks available in the game and there’s more. Also, more songs are available for download as in-app purchases. Furthermore, you have the option to like a track and then you can dare other gamers to beat your score on the tracks you liked. Download Tap Tap Revenge here! 0 20 0 previous postAndroid will Rise From 20% to 39% in the Tablet Space by 2015next postSamsung Galaxy S II Release Date for UK: May 1st!