Ballertag is the official pickup game app exclusively for basketball. Discover new courts nearby, schedule your own games, invite friends, grow your following and view court activity in realtime. Features: See active courts nearby in realtime. Add your home court, where you normally play. Search for courts up to 25 miles away. Schedule games and invite friends. Check in/out at the court to keep count accurate. Send messages. Invite friends from the app to create a Ballertag so you can start your own games today. Facebook share.