was originally a Nintendo DS title (.nds). While 3DS-specific versions or "forwarders" (which make a DS game appear on the 3DS home screen) exist as .cia files, standard .nds files cannot be installed directly via FBI QR codes.
, QR codes are widely used by the as of 2021 to facilitate game installation. Game Installation via QR Codes gta chinatown wars 3ds qr code 2021
In 2021, , not an official distribution method. While they technically existed on forums and file-sharing sites, their use required a hacked console, violated copyright, and carried security risks. For legitimate play in 2021, users were advised to buy from the eShop or find a used cartridge. was originally a Nintendo DS title (