Black or White mobile

This is a puzzle game to paint cells with black or white according to numbers.
When painting is over, the picture will appear.
The hint number indicates how many black cells are in the surrounding nine cells (3 x 3).

"Black or White mobile" is an app that made it possible to play "Browser version (Adobe Flash) Black or White" in mobile environment.
From accumulation so far, the number of puzzles is over 600!
Two puzzles will be added every week from now.

Also, in the app version, a help function is added so that it can play easily.
In addition, It is also possible to inherit the data of "which puzzle you cleared" from the browser version to the app version.

*Internet connection is necessary to play this game.