Hi, I just got a New Nintendo 3DS from Japan, and went to download Final Fantasy Explorers on the eshop. I choes the payment option that, with my limited knowledge of Japanese I though, said credit card. I put in my information, then it asked me to put in what looked like something that was 10 characters. My question is can I use an American credit card on the Japanse eshop (if so how), and what do I put here?
Thanks!