This is great, i wonder how Custom games will be implemented. Something similar to GMod in which custom games can be searched for exclusively, and there are lists sorted by gamemode would be excellent :D
I don't like where the controller is going, it's looking less revolutionary. I sincerely hope they keep the trackpads and don't use analogue sticks instead.
Forcing people to like the page before they can even start it is a bad idea. If your app is good enough, people will like it themselves. You shouldn't have to force people to like it.