Thunderpod - The Fitness Game
Courtmatics Smart Tennis Coaching System - Instant coaching & detailed feedback on your tennis game
Tep - Fitness tracker meets tamagotchi. Don't starve it!
Wokamon for Apple Watch - Tamagotchi meets fitness tracking, on your wrist
Smash Tennis - Makes finding tennis partners easy
ShotTracker - Boosts basketball players' shot by measuring performance