Nonograms Pro is an excellent Windows 10 application to solve logic puzzles also known as Griddlers, Hanjie, Picross, Japanese Crosswords, Japanese Puzzles, Pic-a-Pix and other names.

The goal is to find out the position of black blocks using hints. A correct solution reveals a hidden picture.

More information about nonograms can be found here: http://en.wikipedia.org/wiki/Nonogram

Feedback is always welcome!