Use the arrow keys to move. Press the space button to eat a cookie. You have a certain amount of cookies,though! To see, click on your character. Click on the other characters to see their names and inventory. Press "f" to get another friend. This only works once, though. Press "c" to chat with the other characters.
If anyone knows what the animal like thing at the top right corner is, and what it represents, please comment. The first one to get it right will be known in another project or I will find a prize for this person depending on what he/she would like.