moin

If the product isn't trash...its ok. I don't think most people will try 5-7 language learning products before they chose one. As long as it works they'll end up recommending to others.

You'll need some hardcore marketing and sales..probably distribution as well. Any expertise in that ?

Yes its an important point. But you'll need users to be able to prove that. Its ok to lie a bit initially I think :)

chinese olympics are near. you might have a market there.