This message is for PC but hopefully the same applies to the xbox360 version
http://img440.imageshack.us/img440/5903/pro6bv2.png
http://img440.imageshack.us/img440/5903/pro6bv2.png
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.