Nintendo of America ar Twitter: "Scan this QR code with your #3DS to get the #PocketCardJockey demo immediately to start horsin' around! https://t.co/UwpiPXqcbS" / Twitter
How to Scan QR Codes on a 3DS: 8 Steps (with Pictures) - wikiHow
3ds-cia-qr-code directory listing
Coaster Creator 3D Exclusive QR Codes - Blog - Nintendo World Report
Nintendo España no Twitter: "La demo gratuita de Super #SmashBros. Para Nintendo #3DS ya está en Nintendo #eShop. ¡Ya te puedes poner a practicar! http://t.co/VkUtB8xecM" / Twitter
Scan these QR Codes to bring Wreck it Ralph to your 3DS! #QRCode #WreckitRalph