The document provides an overview of the 6th edition of the Developer Economics report from VisionMobile. It summarizes that the report captures insights from over 7,000 app developers globally and finds that the global app economy was worth $68 billion in 2013 and is projected to grow to $143 billion by 2016. It also summarizes that the mobile ecosystem wars are drawing to a close with Android and iOS capturing over 94% of smartphone sales in Q4 2013, and that Android dominates developer mindshare while iOS commands the most loyal developers.