been trying to get save from DS game cart over to my 3ds so i can play it backed up, anyone know where i put the .sav or if it needs to be untrimmed copy or what, it just makes a new save for my backup version always when i start it

anyone know if theres a community for friend codes to get relay spotpass?

is this game multiplayer/work on netpass? also is there place 2 share friend codes best (im new)