I new version of the java application is available with these new features:

• Save .png images and restore maps from the image itself (using metadata within it)
• Force coloring of faces to find different coloring of the same map
• Faster coloring
• …

Download it from here:

• https://github.com/stefanutti/maps-coloring-java

Video will be added soon on the youtube channel:

• https://www.youtube.com/user/mariostefanutti/videos