I have little to 0 knowledge of electronic, all i know how to do is solder pretty mediocorely. I want to make a gameboy with rpi 3 inside still keeping hdmi and usb ports functional. I want to be able to play what games i can on the go with what buttons i have built on to it, but plug it to tv via h...

Thank You, the double screen is not on my top priorities, my main concern is the controls so thanks you for your response I will make sure to check out what you have suggested.

(My apologies if it sounds like I'm wanting everyone to go do research for me, I have done my own but As I said I have no experience with electronic internals.) I recently saw about the emulator for raspberry pi's called retro pie (I am usually late to everything cool) I instantly wanted to make it ...