Nintendo has released System Software version 7.0 for Nintendo 3DS, which includes Miiverse support in addition to several other features. Notably, the system update allows users to link a Nintendo Network ID they've already established on Wii U, or create a new Nintendo Network ID. This functionality allows players with
Wii U and 3DS to share a common wallet across the eShop on both systems.
According to Nintendo's website, the following are included in the Version 7.0.0-13U update:
Added Support for Nintendo Network IDs: • Users can now create or link a Nintendo Network ID, which is required to use some network services, from within System Settings
• Nintendo eShop has been updated to support Nintendo Network IDs
• For more information regarding Nintendo Network IDs, please visit our Nintendo Network ID introduction page
Added Support for Miiverse: • Users can now view and post to Miiverse from Nintendo 3DS family systems
• For more information regarding Miiverse, please visit our Miiverse introduction page
Added a Software Update Notification: • A notification will now display when software is started and update data is available
Removed the limit to system transfers: • The previous limit of five system transfers per system has been removed
Changed the start-up method of Nintendo 3DS Camera from the HOME Menu: • Pressing the L and R Buttons simultaneously will now start the Nintendo 3DS Camera from the HOME Menu
Improved system stability and usability: • Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience
Source:
http://en-americas-support.nintendo.com/app/answers/detail/a_id/667/p/430According to
Nintendo World Report, the following games have already received communities in Miiverse:
•
Pokémon X & Pokémon Y
• Legend of Zelda: A Link Between Worlds
• Animal Crossing: New Leaf
• Mario Party: Island Tour
• Mario & Luigi: Dream Team
• Mario Kart 7
• Super Mario 3D Land
• New Super Mario Bros. 2
• Luigi's Mansion: Dark Moon
• Scribblenauts™ Unmasked: A DC Comics Adventure
• Skylanders SWAP Force™
• Phoenix Wright®: Ace Attorney® - Dual Destinies
• Sonic Lost World™
• Monster Hunter™ 3 Ultimate