There is a very special secret link also, but you'll need to look frame by frame to find it ....
For your exclusive knowledge, hidden within Potter Pals 2 is a secret animation. It's a very tricky link to find so keep a close eye out because it will flash before your very eyes.
Go use your magical skills and find said treasure before I use Avada Kedavra on you. (hinthintwinkwinksaynomore)
(taken from the official LJ Community - potterpals