You can enjoy with your friends and display
your work to many people and also challenge
your professional work.

As a kind of tool,
enjoy and express
your feelings.

It will produce enjoyable usage to you and to your friends at private scene. And in public scene, you can express your art to many people. For professional usage, it can be used for the illustration and art work production it might expand your expression. The usage of Masking Color depends on user development. It will promote various usage. More tasteful expression at various scenes.