Android users have been playing Googles augmented reality game Ingress for quite some time, and today iOS gamers can finally find out what the fuss is all about. The new iPhone and iPad version of the game will work cross-platform so that you can play with the existing community on Android. The game has been downloaded more than four million times on Android, and has featured events in 65 different cities. With Ingress weve proven that people can have fun, that theres a kernel of something powerful in a game that gets you out moving, Niantics John Hanke told The Verge in December.