>>13895559That's not how it works...
Someone would have to spend time coding that into a game, and you have yet to even attempt an explanation as to why they should.
I can think of a good reason why they shouldn't:
Children will get confused.
Someone's little brother accidentally changes their language to korean, and they don't know how to change it back, so they start over.
It just isn't a necessary thing to add to a pokemon game.