This latest version 2.0 of the application of Xbox Live for the iPhone now, you can scroll through their profiles with covering Gametag. You will receive all of their favorite social networking tools like Twitter and Facebook, and send messages, you can use the network of Xbox as well.
Gametag information is similar to the console: Evaluation of the players, the latest games, online, location, etc. found.
The soft $ 360 2 Live is currently in the Apple iTunes Store
If you do not want another good choice of this software is also free 1337pwn INEX offers the same features to pay.