>>40428808One is the one I use for my fun adventure and pvp/trading/whatever multiplayer. I store my good mons on there. I don't fuck with the save file. Usually I will rack up a good 200+ hours on there.
The other version is essentially the nuzlocke version I can replay and fuck around on. Then when I'm done I just move the best Pokemon over to the Adventure cartridge and restart again.
Also I can play as different genders on each one so I can try all the clothes