Psychological Tests is a free Android application developed by Alexander Kulyakhtin under the category of Lifestyle. This app is a collection of various psychological tests such as Kettle test, Eysenck's Personality Questionnaire, and Marriage Satisfaction Questionnaire. You can use the app to learn more about yourself and your personality traits.

The app's interface is user-friendly and easy to navigate. Once you open the app, you will see a list of available tests. You can select any test you want and start answering the questions. The app will then provide you with your results, which you can use to improve yourself.

Overall, Psychological Tests is an excellent app for anyone who wants to learn more about themselves. With its wide range of tests and user-friendly interface, it is the perfect tool for self-discovery.