Entrophy is a visual ofuscator, able to safely authenticate users in compromised environments like direct vision, video recorder, and "Man in the Middle" attacks. Selected as one of 18 finalist in the "Prometeo Program" of the University of Valladolid to be Registered/ Patented. In "Documentation folder" You can find a user guide, a presentation and a example of the app in Documentation folder
https://www.youtube.com/watch?v=2nCBheeMdSU&feature=youtu.be&t=970