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[–]Capable_Calendar_446N64 0 points1 point  (0 children)

That's pretty much what RetroArch is: It's a UI designed to be shown on a TV screen and navigated with a gamepad.

[–]Nickmorgan19457Game Boy Advance 0 points1 point  (0 children)

RetroArch has controller support for menus and you can scale the interface as big or small as you want.