app contains techniques for the how to manipulation with people

Manipulating others is a way to get what you want, whether it is tricking your boss into giving you a raise or getting your partner to whisk you away on a romantic vacation. Many believe this way to be immoral, and wrong.

Psychology is the science of behavior and mind, embracing all aspects of conscious and unconscious experience as well as thought. It is an academic discipline and a social science which seeks to understand individuals and groups by establishing general principles and researching specific cases.