Placas de Sinalização is an educational application developed by Denis Pereira that helps users learn and memorize the signs of the Brazilian Traffic Code. The app provides information about regulatory, warning, indication, guidance, services, signaling works, educational boards, tourist attractions, and horizontal signage.

One of the main advantages of the app is that it works 100% offline, without the need for an internet connection. This feature makes it convenient for users to study and review the signs at any time and place. The app is available for Android devices and is free to download.

In summary, Placas de Sinalização is an educational and practical app that helps users learn and memorize the signs of the Brazilian Traffic Code. Its offline functionality and comprehensive coverage of different types of signs make it a useful tool for anyone who wants to improve their knowledge of traffic regulations.