So long as your current save has NEVER logged onto Nintendo's official servers (if so, delete it), you can use wimmfi. It shares Friend Codes with Brawl and PM, which is why random online never works: other people may not be using the same game.
Name: DarkLord\RegalSwan\acompletelyandutterlypointlessalgamagmofthetwo\GREG.EXE (GG)
Friend Code: 1895-7869-6545
Availability: Variable, I alternate between PM, B-, Melee: SD Remix and S4 at random
Time Zone: CST
Skype:theheirisawake or GREG.EXE
lets fuckin go??