There's the link to the cart! I thought the web player would automatically share the code/cart actually
What do you mean by "first screen"? If you reached the end with the yellow character then that's the entire game! haha. Other than that, you press "up" on the orbs or "p" blocks and wall jump around :).
I am English but live in Spain so I was fairly distracted during the jam haha.
(Gonna be checking out your games in a sec ;D)