Japanese was something we Argentinians really didn't know back in the 90's when I was a kid (we still don't usually know it, but now I know some people who are picking up classes).
But then there was Captain Tsubasa's FamiCom game, which some friends had, only in Japanese - and it amazed me how easily they went through all of the menus to change whatever settings they wanted.
Kids, spare time, the desire to play some videogames, and a country whose market wasn't that attractive - an awesome combination.