This app allows you to make various combinations of facial expressions. It helps in understanding people's emotions like surprise, fear, disgust, contempt, anger, happiness, or sadness. Each emotion affects the appearance of the brows, the eyes, and the mouth in the face. In order to know what happens exactly to each part of the face, tap the corresponding info button. The premium version enables loading photos and making facial expression combinations of the people you are interested in learnin