The purpose of the application-to collect from 3 or more identical faces of animals. The mobile app has nine difficulty levels. When you start the application music sounds, for those who do not want to play in silence, but there is a function where you can remove the sound. On the main app screen has buttons to select the prescribed level objective, number of steps points per level. Easy navigation through the application. The background of the application is not a static image, but a dark blue screen with moving particles. There is a transition to the next level, if there is no movement, you can move the animals, but the participant will lose one move.