im thinking gameboy, gamboy advance, and maybe nes/snes

I really don't know what to order or where to start any ideas?

extension for batteries or wiring
http://ibb.co/cLP8D6

what parts do I need? I want to make it work like a minty pi

I thought about the space problem and I think there should an extension on the bottom because I want the screen to fold if possible
example:
http://ibb.co/izxwgR

yea like a Gameboy, and I just want to use the nunchuck shape and make it battery powered. I have designs. how do I post pictures?

I made a go fund me :3 https://www.gofundme.com/one-handed-handheld I only have one hand but I want to make a system I can use easily https://goo.gl/rJjRvG I want to use something like a Wii nunchuck (link above) with a screen attached and probably some other buttons of course. Since I'm new to the ...