Super Smash Bros Online Save USA!
step 1: open Gateway Rom patcher open your rom , select import then choose the  header.bin file included
Step 2: rename the rom to whateveryouwant.3dz and copy onto your card
Step 3: add the 00040000000EDF00.sav to your "Big" SD in the 3ds (not the micro sd in your gateway)
Step 4: ???????? PROFIT! jk xD play your game this works online aslong as your file extension is .3dz like in step 2 however
Be Warned This Could result in ban Nintendo has never banned someone for using a rom online but that doesnt mean they wont start!
this header came from a publicly avaliable release so many people out there will be using it! 

Thanks to PsyKo Who made the rom patcher 


LETS GET THIS SAVE COMPLETED 100%

right now the basics that this save has is 100% characters and stages