TANGO, Free Video Call Application Between iPhone and Android

For the owners of Apple iPhone and iPad if they want to do a video call between them, then they can use an applications like Facetime. But for the Smartphone User with Android OS do not have this application like facetime to do a video call.

Therefore the user Android requires another application to do a video call. Whether you want to do a video call, you can use 3G services and also use