Can someone tell me how do i get my 3DS to work on this custom Miiverse server? (My 3DS is modded and has working pretendo)

here's Tweek for y'all

Eric Cartman

really really bad tree

yeah there's not enough players. yeah, right

can i haz bettr chezburger plz?

can i haz chezburgr plz?

i fed by wii u pop tarts

how is he holding a coin