Unless you have a Japanese 3DS, you can't.
Yes, the Nintendo 3DS LL is the Japanese name for the Nintendo 3DS XL
No the Nintendo 3DS was invented from Nintendo based in Japan. The Nintendo 3DS was Built and put together in ether china or Thailand. The Nintendo 3DS is Japanese.
Unless you have a Japanese 3DS, you can not change to a Japanese region.
no, region locked! Japanese 3ds games will only plan on japan version 3ds.
NO, the 3DS have a region block, only American 3DS can play American games and only pal 3DS (from Europe) can play pal games and also only Japanese games can be played on a Japanese 3DS
You buy ds or 3ds games and then put them in your 3ds.
No, the 3DS comes in may languages and can be purchased almost anywhere.
because japanese people might want to play it
No.
if your talking about on the wii and not the 3ds you have to put it on favorites when you are picking out the name and shirt color
Typically, Japanese surnames are first.
no you dont need to put password to activate your 3DS in the beginning, you put your own code in the first time you turn on and use you 3DS.