The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Tuojie Technology Inc.:
Joy Coloring provide the little artists their own creative studio, here we can try a variety of wonderful color matching. Select a favorite color with graffiti, only need tap the screen with your fingertip. The coloring painting can also be down with the camera records deposited cell phone!