If you didn't know there is a U.S. event that you can do home you only need wi-fi and the mystery gift!
"you should be familiar with it!"
it's the rotom key thingy! The "Secret Key" oh wow such a secret..dot
1) after you get it which if you got it through the gift go to the nearest pokemart and talk to the dude in the green; he will give you it
2) go to the Galatic Building at Eterna city... go to the top left part of the ground floor of this building and press a and go in and stuff will happen
Btw you'll need Rotom if you didn't notice by now. =P
you should know where to get friendly Rotom
it started the 20th and it ends at may 12th so yeah you have some time left...