you have to have another player send it to you

check ur latest post

1: Go to Jubilife City.

2: Go into the Jublife TV station (South West of the entrance).

3:Go to the third floor.

4: Go to the two people (blonde lady and brown man).

5: Talk to the man.

6: He will ask you some questions, the first question he asks answer 'everyone' and
'happy' for the second one answer 'wifi' 'connection'.

7: Then he will give you a Mystery Gift!

8: This will be on your Menu.

P.S YOU NEED WIFI CONNECTION!!!

what if you don't have a wifi connection

You can still have Mystery Gift but you can't use it. You have to have a wireless internet
connection at home ask your mum or dad for the WEP key. Oh dear how am I going to explain
this?! Just the bottom line is you must have Wifi Connection to USE not GET Mystery Gift.