We've seen a couple of classic PC games ported to mobile, including some on Android, but most of them either involved point-and-touch gameplay or not so much twitch action. Porting an FPS title, ...

My first memory of Counter-Strike is on the map Inferno, which looked drastically different back in 2006. With a poor connection and no GPU to speak of, my Core 2 Duo could barely handle the FPS game.