Please see my userpage at User:Huntster on the English Wikipedia. I would love to learn Japanese and Russian, but I seem to have no ability to learn other languages. That said, I can identify many languages if I see them written or hear them spoken.
A "useful article" is defined as "an article having an intrinsic utilitarian function that is not merely to portray the appearance of the article or to convey information." (by Teofilo) See Commons:Applied art and User:Elcobbola/Models.