Exame Psicológico de Placas is a free Android app developed by R.o Tech that helps users study for Brazil's traffic test. With this app, users can simulate the official test and get 70% of answers correct to be prepared for the real thing. The app has several features, including a sound notification for correct or incorrect answers, a final result to check performance, and new questions added every week.

One of the best things about Exame Psicológico de Placas is that it can be used to study for the test in any state in Brazil. The app covers all 27 states, including Acre, Alagoas, Amazonas, Bahia, Ceará, Distrito Federal, and more. With this app, users can study for the theoretical test anywhere and at any time.