1) The document discusses a 2nd screen mobile app called ESPN InPlay that was created for the 2012 US Open Tennis Tournament.
2) The app allowed users to interact with real-time trivia questions, view social media comments from Twitter and Facebook, and participate in predictive polling as matches were happening.
3) Users could login via Facebook, participate in leaderboards and contests for prizes, and view historical trivia about matches. The app was designed to increase audience engagement across screens.