Teste TCO & Master Profesional is a quiz-type application designed for preparation through multiple-choice tests in various fields of activity, useful for consolidating professional knowledge. The application offers a simple, fast and organized way to practice, being designed for users who want to check their level of preparation and track the evolution of results over time. Main functionalities: • multiple-choice tests structured by fields of activity; • questions with multiple answer options; • displaying the result after completing the test; • saving the user's progress; • history of tests taken; • performance statistics; • authentication via email or Google account; • modern, intuitive and easy-to-use interface; • quick access to available tests. The application is useful for review, self-assessment and individual preparation. By going through the tests, the user can more easily identify the areas in which they need to deepen their knowledge and can track their progress over time. User data is used for authentication and to save progress in the application. The application can save scores, results, answers and performance statistics, so that the user can continue training and track their progress. Teste TCO & Master Profesional is not an official application of the Romanian Police and does not represent any public institution. The content of the application is for informative and educational purposes, being intended for individual preparation.