
Google have already confirmed, due to clues found in the source code, that they will be integrating games into the system at some point in the future. The business idea behind the site is obvious, so why is Facebook ruling the roost with a pie that Google has yet to get its finger into? If Facebook has made a killing from their games, shouldn’t Google try as well?

These new paid games, game trials and “buy once, play anywhere” pricing are coming to Play.

And, no, making video games with it is not the goal.

Next phase of its 'Living Games' concept involves the use of autonomous AI agents
I've HEARD that XNA might work through Google+, which would put them into a class of their own. I'm looking forward to playing some pretty awesome stuff if that's the case.
Who cares it's Google and Facebook. How much time do people really spend on that stuff unless you don;t play actual video games?
Google can make a killing if things are executed in the way their framework looks for gaming