Lets go back to the beginning . Retropie is loaded and running . You ' ve created a blank folder and named it retropie on the usb stickAfter putting it in the raspberry pi you get bios configs and roms inside the retropie folder For gba all thats needed is to put the game boy advance roms inside the gba folder inside roms . They don ' t need to be unzipped or have a bios like psx or neo geo . Only game boy advance games will work in gba not ds or original gameboy or 3 dsIf that ' s all been done it should work <| sep |> For me the choice is between XVa and XVII aswell . I love me some slim blades . <| sep |> still no love for the autoloading 8 extended <| sep |> Yes I know , but not everybody young voted for her . Just look at thedonald .