Well, there is no publishing request on the index page, so that is strange unless the script is suppose to be used for forcing wall posts to any id's you enter, otherwise he messed up. You would want them to give you publishing rights on the first page they come to, which they wont be able to see because they would get the popup asking for them to grant publishing rights.
EDIT: I see the index.php maybe is suppose to not have the publishing request, because it looks like they want that to be on page 2, which is not a bad idea, though very few apps do it that way. There are arguments on both sides to doing it either way.