Psicotécnicos. Tests is an Android app developed by vef that helps users prepare for their exams. It offers over 1,000 questions divided by type, including Verbal Reasoning, Synonyms and Antonyms, Logic, Mathematics, and Numerical Series. The app also provides a general exam that covers all topics.

Users can keep track of their progress and errors through the app's incorporated graphs. The app also allows users to configure the number of questions in each test and the time for each test. Additionally, it has a Review and a Competition mode.

Psicotécnicos. Tests is highly configurable and offers features such as notifying the developer about any issues, moving the app to the SD card, and being completely offline. It is a safe and free app that requires no internet connection.

Overall, Psicotécnicos. Tests is a comprehensive exam preparation app with a variety of features that can help users prepare for their exams.