They put an app advertisement band where your young child chooses the color. So, just in case you dont know what that is, its an add that- when tapped( as a small child would do to pick a color or our of natural curiosity)- takes you directly to the app store to and highlights the purchase button nice and bright for your child to press. Because purchasing an app that controls all access to your computer us exactly what a 3 year old wants when they are coloring. Gimmick
Chitchittt about My Coloring Book, v2.4