Hallo everybody!
Maybe you already know, but I want to point out to you that at this year's International World Wide Web Conference (http://www2012.wwwconference.org) - that will be held 16th-20th April in Lyon, France - there will be a W3C camp on HTML5 games.
You can take a look here:
w3.org/2012/04/w3c-track.html
Greetings
Synnax