It comes with the US keyboard only.
Out of curiosity I searched the marketplace. There's a free app called "I'm Chinese" that lets you enter input with the English keyboard (I'm guessing phoenetically?) and it pops up with Chinese characters as suggested words. I typed in "ni hao" and it came up with the correct characters. You can send messages via SMS or email with it. I don't really know a damn thing about Chinese though. . . wish I could be more help.
AFAIK nothing like you describe exists, though.