PlayN Video Poker
I did finish my NaGaDeMo game just in time for Google I/O. All and all it was really fun using PlayN. I love the fact that I can spend most of my time in desktop Java-land and have the other targets mostly just work.
Here are a couple screenshots of the game:
Check out the other NaGaDeMo games.
My NaGaDeMo 2012 Game
Creating Pong with PlayN
Picking a Game Library
Creating a PlayN Project