Test para la oposicion de telefonista is a free Android app designed for aspirants preparing for the telephone operator exam in Spain. The app offers a wide range of test questions that can be taken in various modes. In the exam mode, the test is similar to the official exam, and the app shows the remaining time and the number of the question. The app provides detailed results with all the incorrect answers and their correct responses. In the test-by-topic mode, aspirants can study and learn at their own pace. The app shows the total number of questions, the current question, and the time set by the user. Aspirants can move back and forth through the test and see the correct answer at any time. Additionally, the app allows aspirants to customize the test by choosing the font type, size, and color, and selecting the background. There is also an option to share questions and doubts with friends. Overall, Test para la oposicion de telefonista is an excellent app for aspirants looking for comprehensive preparation material.