Notify friends with your game plans, and keep up with theirs. Login with your Facebook or Twitter account to make a GameCall to your friends using push notifications and give a shout on your Facebook. Detail features: [Friends]: Sign up with Facebook, Twitter or E-mail. Invite friends through Facebook, Twitter, email or SMS. [Favorite venues]: Easily search sports/fitness venues nearby & add as favorites. Drop a pin to mark your playground if no venue around. [Call up friends for a game or join thiers]: Make a GameCall to your friends in taps. Notify your friends with push notifications and get their responses instantly. Find their game plans detail and join the ones you like.