Who am I is a free Android app that lets you discover your personality type.

It's a test that takes less than 15 minutes to complete and will provide you with a very detailed and accurate result, one that can be used to help you better understand yourself and make better decisions in your life.

The app is based on the Big 5 personality types. This is a popular theory that describes personality types based on the psychological traits that are found in every individual. It was developed by psychologist Katharine Cook Briggs and her colleagues.

The app offers a variety of tests that you can use to discover your type. There are more than 70 questions to answer and the results will be presented in a very easy-to-understand format. You can choose to take the tests in a single-screen format or in a multi-screen format.