Auto Placas-Placas de Trânsito is an Android app developed by MidasTapp, available for free in the Education & Reference category. The app is designed to help users study Brazilian traffic signs and their meanings in preparation for the DETRAN driving exam and obtaining their CNH. Auto Placas-Placas de Trânsito is an excellent complementary study option for those attending driving schools (CFCs), with a quiz system to test progress. The app features official DETRAN-illustrated traffic signs to ensure correct learning. All traffic signs are categorized by type for better memorization, including Regulatory Signs, Warning Signs, and Guide Signs. The app is easy to use, practical, and available anytime, anywhere.