I get a lot of my education through coding "useless stuff" so it always becomes a good way to learn something or other. That being said, several hybrid mobile a

I get a lot of my education through coding "useless stuff" so it always becomes a good way to learn something or other. That being said, several hybrid mobile apps that are no longer living come to mind. Also, an NES emulator that resides at http://www.playnesta.com http://www.playnesta.com - if you're on Chrome or even mobile it's pretty slick.