joshi tm: I would guess Fencer could make different language of the game - depending on if their are different dictionaries of different languages that Fencer can download and use for free. I believe there are at least a few free English language dictionaries - not sure off hand of other languages, but I'm sure there are some.

I don't think he should "mix" different languages in the game, but I don't see why there can't be Scrabble (English), Scrabble (Czech), etc... (of course not called Scrabble.