Wait for the list to load and download the themes you like.Enter the theme browser by tapping the download button on the Touch Screen or by holding X, holding left on the D-pad, and then releasing X.The theme will begin downloading after the QR Code is scanned.
Re-position it until all of the QR Code is visible on the 3DS's screen.
QR code reading to install themes from QR codes.Support for installing up to 10 shuffle themes.Support for installing a single theme to your 3DS.