Now Play games on google plus

With a stunning growth rate and exciting new features, google plus has established itself pretty well though it's still in early test phase. Google has recently planned to roll out games and most probably, they would incorporate games as services too. A majority of users on facebook stay active just because of games like farmville,cityville etc. With introduction of games on google plus, users would surely think of making a transition to google plus, though in small numbers. Initial games include the popular "Angry Birds," "Bejeweled Blitz" and "Zynga Poker." What would be the impact of games on google's userbase ? Would user activity increase or would it make google plus an even more closer copy of facebook.