The "英検3級の英単語860 - 英語問題学習アプリ" is an educational app designed to help users improve their English vocabulary specifically for the Eiken Grade 3 exam. The app follows a study and test cycle, allowing users to study and then test their knowledge of the 860 frequently used words in the Eiken Grade 3 exam.

By focusing on vocabulary, the app aims to enhance users' overall English proficiency as it is widely acknowledged that a strong vocabulary is a key factor in succeeding in language exams. The app provides a comprehensive collection of important words that are commonly encountered in the Eiken Grade 3 exam.

It is important to note that the "英検3級の英単語860 - 英語問題学習アプリ" is not officially endorsed or recommended by the Japan English Testing Association (Eiken). However, it serves as a useful tool for individuals who are preparing for the Eiken Grade 3 examination and wish to strengthen their vocabulary skills.