The unique Gender Changer app appears to provide a virtual makeover, enabling users to change their appearance to resemble a real girl or tough guy. The app offers a variety of options, like enlarging the lips, switching up hairdos, and adding eyelashes or eyebrows. This tool allows users to experiment with numerous male hairstyles, and grow beards, and mustaches in order to highlight their masculine traits. Users can save the image after achieving their desired change and then send it to their friends. 

It sounds like a fun method to experiment with various looks and use technology to express one's creativity!