Fill Color -waste of time-

"best meaningless App in the world"

You paint screen with fond color one pixel.
Anyone has experience that fill the paper with pen.
Can now also a smartphone!

feel at a loss.
be less than fascinating.
But Please aim to 100% believe in yourself!
When you fill the all ,happens something.

During the meeting, in the train, please use such as when anything you want to concentrate on without thinking.