Ascenso Seguro Libre is an Android application designed to help users prepare for exams related to job promotions within the Mexican Army. It is developed by Rogelio Hernández Peñuelas and is available for free on the Google Play Store.

Upon installation, users are required to register with their email, rank, and job. After registration, a welcome message is sent to their email with an activation link. Once activated, users can log in to the app with their email and password.

The app is aimed at helping users prepare for promotions by providing study material and practice exams. It is important to note that the app is not a guarantee of passing the exams, and users are advised to complement their study with other methods.

Overall, Ascenso Seguro Libre is a useful app for those in the Mexican Army seeking promotion. Its registration process is straightforward, and the app provides relevant study material and practice exams.