Enterprise companies tackle mobile marketing automation slightly differently—and that's why they're on top. Register today for this free VB Insight webinar with AEG's VP of Social and Marketing on May 28th. Twitter has finally launched its live video-streaming app, Periscope, for Android. Today’s launch comes a little more than two months after Twitter’s acquisition of the fledgling company behind the app was confirmed, which came shortly before the app launched for iPhone users.