i got a street pass via project mirai yesterday!! but idk how to add them back or message them, does anyone knows how to?

tomodatchi life wished me a happy birthday. this is the cutest thing ever!!

Hi!!

why nobody is playing mario kart 7 :/ its been loading players for a long time but there's nothing

hello!! this is my first time using this app on my 3ds! is there any arab users here? :))