First, you can choose on of the 16 photo frames, then please tap " Camera" button. You will find each photo frame has a vacant circle. If you take a photo of your friends face through that circle, the picture will become a funny one which depicts the situation that your friend is hiding in the flower. You can also write original messages on photos. When you finish taking more than 16 photos, please push "Photobook" button. You can arrange your original photo books.