Real Table Tennis is a fun ping pong game for Android. You embark on a table tennis career, competing in leagues and cups which increase in difficulty as you go.
The swipe-to-hit game mechanic is very intuitive and honing your skills is great fun. The game starts off fairly simply but quickly becomes tricky, meaning you need to save up to buy better kit to win. There's a split-screen two-player mode, but it lacks WiFi multiplayer.
Real Table Tennis is worth a look if you're into the sport.