Google Play Services, Sign In Succeeded But Error Oncreateroom

I am trying google play services samples specifically ButtonClicker2000. The sign in process is ok from the logcat also, but I have another error: 06-01 22:43:15.478: D/ButtonClick

Solution 1:

This was driving me crazy for a while. You have to enable real-time multiplayer support in the Developer Console. It's one of the options in Linked Apps on the Game Services tab. See also this troubleshooting page which links to these instructions