The 英検リスニングマスター 3級 app is an educational and reference software that enables users to learn English listening comprehension conveniently on their Android smartphones and tablets. Developed by WAO CORPORATION, the app is free and contains all 300 questions worth of Eiken listening measures, which is perfect for those preparing for the Eiken tertiary exams. The app is also ideal for those learning English, particularly for elementary and junior high school students, as well as high school entrance exam candidates.

The app's features include a stage mode, where users can practice with six questions per stage, and a combat mode, where users can test their skills with actual exam questions. The app also has an "iffy problem" feature, which enables users to register wrong and weak problems. The app's content is fully compatible with the Eiken tertiary question format, including illustrations for lengthy listening questions. Overall, the 英検リスニングマスター 3級 app is a must-have for those who want to improve their English listening comprehension skills.