Señales Tráfico DGT España is a free mobile application developed by Salvador Arnal Julián for Android users. As its name suggests, the app aims to help users learn and understand the different traffic signals used in Spain.

The app offers various tests and quizzes that cover a wide range of traffic signs, from regulatory to warning and information signs. Each test is designed to challenge the user's knowledge and understanding of the different signs, with immediate feedback provided after each question.

Overall, Señales Tráfico DGT España is a useful tool for anyone looking to learn and master the traffic signals used in Spain. The app's user-friendly interface and comprehensive content make it an excellent resource for both novice and experienced drivers.