I had a chance to mess with PlayN a number of months ago. I was drawn to trying it after I had heard that the Chrome version of Angry Birds was built using it.

I had a chance to mess with PlayN a number of months ago. I was drawn to trying it after I had heard that the Chrome version of Angry Birds was built using it. From my experience with it, it seems to work about as well as any other multi platform game framework. For most games, it's good enough.