List of hidden tricks, secrets, etc. with Nintendo related media.
Blowing into the mic on the Home screen will cause the 3D spinning graphic above to spin quicker.
The icon used while downloading from the Nintendo eShop can be rotated using the circle pad.
If the Internet Browser is opened and go to the Favourite Bookmarks section, and then click the "Favourite Bookmarks" text to the Super Mario Bros. theme (3 clicks followed by 3 more), the website URL is turned into a game of breakout.
If you speak while on the main screen for Nintendo 3DS Sound, the budgies will repeat sounds picked up by the system in a pitched up tone.