Dr. Nonogram is an Android puzzle game developed by SUD Inc. It is a picture logic puzzle that goes by several names, including Hanjie, Paint by Numbers, Picross, Griddlers, and Pic-a-Pix. The game presents a grid where cells must be colored or left blank based on the numbers provided at the side of the grid. These numbers indicate the number of consecutive filled squares in each row or column.

The puzzles in Dr. Nonogram are both challenging and addictive. Players must use logic and deduction to fill in the correct cells and reveal a hidden picture. The game offers a variety of difficulty levels, ranging from easy to expert, ensuring that players of all skill levels can enjoy the game. With its intuitive controls and engaging gameplay, Dr. Nonogram is a must-have for puzzle enthusiasts.