This document discusses Spil Games' transition from casual to social gaming and key learnings. It summarizes that: 1) Spil Games built a social layer on top of its existing gaming platforms to better engage users and drive longer user sessions. This included social features like profiles, friends lists, and activity feeds. 2) Connecting games to the social layer created strong loyalty and engagement, growing monthly active users from 90 million to over 145 million between 2008-2013. 3) Key learnings included investing heavily in technology, community management, balancing intuition with data, and offering local payment services.