Sinais de trânsito do Brasil is an Android application that provides a quiz-simulator about traffic signs in the Republic of Brazil. The quiz-simulator offers two game modes: quiz with multiple-choice questions and a true/false mode. The app also allows users to select specific categories of traffic signs to focus on, with three levels of difficulty, and provides statistics after each game.

One of the main advantages of Sinais de trânsito do Brasil is the complete directory of Brazilian traffic signs with their detailed descriptions. The app is also optimized for both phones and tablets and does not require an internet connection to function. The interface is simple and intuitive, making it easy for users to navigate the app and learn about traffic signs in Brazil.

Overall, Sinais de trânsito do Brasil is a useful tool for both driving school students preparing for their driver's license exam and experienced drivers looking to refresh their knowledge of the Brazilian traffic code.