Hacking R4 to R3 ds play

[MysteriousCookie]

will mario kart usa work with mario kart europe in ds to ds wifi play?
They are both on R4
thanks in advance
whoops noticed that the topic title is wrong

 

[sylux92]

Yes, it should, though i have never tried it. By the way, what is an R3?

 

[MysteriousCookie]

i meant r4

 

[SavageWaffle]

Yes.