Your 3DS has never looked fancier.
http://www.nintendoworldreport.com/news/38665/3ds-update-90-live-adds-themes
An update to the Nintendo 3DS System Menu has been released, which adds new features such as themes and pop-out notifications.
The new theme options are located in the upper left Home Screen icon, where the brightness and power-saving mode options currently reside. Some themes simply change the color of the Home Screen. Available pre-installed options include Red, Pink, Blue, Yellow, and Black. In addition, premium themes can be purchased from the eShop. The paid themes include:
- The Legend of Zelda: A Link Between Worlds - $1.99
- Mario: Felt-Stamped Characters - $1.99
- Mario: Wood-Burned Characters - $1.99
- Hanafuda - $1.99
- Mighty Mushrooms - $1.99
- Spotlight: Yoshi - $1.99
- Spotlight: Peach - $1.99
- Spotlight: Luigi - $1.99
- Spotlight: Mario - $1.99
- NES: Jumping Mario - $1.99
In addition to the character-based themes, a number of pattern-based themes are available for cheaper:
- Stars: Gold & Black - $0.99
- Polka Dots: Gold & White - $0.99
- Polka Dots: Black & White - $0.99
- Stripes: Black & White - $0.99
- Checkerboard: Black & White - $0.99
Another feature added is pop-out notifications. This feature shows you an incoming SpotPass notification over the Home Screen the first time it is received. If you want to view the notification again, you can open the Notifications app as usual.
Take a look at the video below if you want to see the system update in action.