This is a picture logic puzzle in which cells in a grid must be colored or left blank according to numbers and quotation marks in them. Then you end up revealing a hidden picture. 
There are some types of picture logic puzzles such as Nonogram, Hanjie, Picross, Pic-a-Pix, Griddlers.
This app is like Minesweeper and picture logic puzzles combination puzzle.
You see a number and quotation marks in a cell in the grid. Those are clues to paint which cells and what color you should paint.
For example, a clue of 4'' means there are four cells that you need to paint and those four cells are painted in two colors. 
If you like playing Minesweeper or picture logic puzzles you will like this app.
You can play it for free.