> This device it's is done to play MAME. You are going to enjoy your shield sure.
Already am. It's a little rough getting used to the concept of full-strength GTA Vice City in 720P on a handheld with proper controls, but I'll live ;-)
> Meantime, I'm going to work on the netplay stuff (on the 0.139) with google play > services with join rooms to meet people on games and some kind of leader boards based > on hiscores patch, maybe this device lets do some rollback stuff like ggpo to get > zero lag. A lot of hacking that I suppose you don't like in a official port.
I strongly recommend you keep any netplay stuff as close as possible to ClientServerMAME - his netplay is the most likely of all the options out there to land in the core, so (re)using his code would be to your advantage.