Test para la oposición de mantenimiento y oficios is an Android app developed by La academia en tu movil oposiciones y examenes, designed specifically for the opposition of maintenance and trades in Spain. It includes a vast collection of tests and offers several ways to take them.

One of the modes is the Exam mode, which is designed to simulate the official exam. The test-taker can see the remaining time, the question number, and the result of the exam. The Test mode by Themes, on the other hand, is indicated for studying and learning. The app shows the total questions, the current question, the time, and the test-taker's successes.

In addition, the app includes a Test with Friends mode that allows a maximum of six devices synchronized via Bluetooth to take the same test at the same time. The app also offers several customization options, including selecting the type of screen, changing the background of the screen, choosing the arrow, and changing the letter's color, size, or pen shape.

Overall, Test para la oposición de mantenimiento y oficios is an app that makes test preparation for the opposition of maintenance and trades in Spain entertaining and enjoyable, with the ability to customize it according to the user's preferences.