A free app for Android, by Guru Puzzle Game.
The game is a combination of a puzzle game and a detective game. You are playing the role of a detective who is seeking all the differences between two things. You need to find all the differences between the two pictures and mark them on the given image. You can also unlock tons of challenges from easy to hard levels.
How to play?
Use your fingers or the tip of your stylus to touch the two pictures and compare them side by side. You will be able to find all the differences between the two pictures.