For me, I've recently come to realize that I personally enjoy the games which the devs really talk with the users. Or even the users talk with one another. For instance, -Pocket God is doing a great job in this forum, and that's a main reason why i love their app. -Galcon has their own website and forum (and recently twitter) for updates, complaints, strategies, etc. -Fieldrunners also has their own forum and twitter -Aurora Feint II: The Arena (or any for that matter), the devs for this app have a forum with users telling each other strategies to gain the most points possible. I don't know why, but these kind of games/apps are the ones i really like. Do you have any apps which are like these that you know about?