If you're making a portable you probably need something to watch it on. (Unless you want to guess what's happening in the game, but I wouldn't advise that) Anyway, this forum is your "Hacking a pocket TV/screen" one-stop solution. Share your experiences and knowledge here.
Cut the melted back plastic off the back of the speakers. You'll notice that they the speakers are still held in there even after that. There is a sticky tape holding it there. Just pry them out carefully with a flathead screwdriver.