The trend is moving toward —users generating codes from their own ROM collections to share with friends, rather than public databases.
: Used to share "Formees" (custom creatures) with other players. nintendo ds games qr codes
However, the method is not for everyone. If you value legal certainty, prefer perfect compatibility (use a real DS with a flash cart instead), or dislike the fragility of dead links, you might stick to manual SD card transfers. The trend is moving toward —users generating codes