New Super Mario Badges Badge Arcade UPDATE
If you want some new Mario badges for your 3DS home Screen then now is the time to get em'. That is, if you live in Japan. Of course, these reportedly coming to Japan usually insinuates that they're on their way to the Americas. Today 10/27/2016 New Mario badges are being added according to Japanese Nintendo on Tumblr. These Badges seem to be mixed-matched, from various games. Probably because of Super Mario Maker on the 3DS.
"7 panels of new Super Mario Maker badges"~ JP Nintendo.