Go update your 3DS', friends! The Miiverse is now on 3DS.
Now available for Nintendo 3DS, Miiverse is an online social hub that lets users connect with other players around the world via their Mii characters. Users can view posts from their Nintendo 3DS, Wii U system, or online via computer or mobile device. Nintendo 3DS users can post illustrations or comments by signing in to Miiverse with their Network ID.
See more Miiverse features here.