Coloring Book Android-7

Coloring book for kids. There are twenty funny images for coloring, but you can load any external image, for example, scan and save an image to your device or download an image from internet.
There two color palettes: top is based colors and bottom is gradient colors. So, touch on a base color to create gradient colors. You can select any colors from palletes.
To fill by selected color just touch on any area of the image. The area can be repainted.
Button bar on the top:
* Undo;
* Load an external image for coloring;
* Save current image to the gallery;
* Music on/off;
* Sound FX on/off.