이야기 고사성어 is an educational reference app available on the Android platform. Developed by JSM Media company, this app provides users with a collection of traditional Korean idioms accompanied by interesting stories.

With 이야기 고사성어, users can learn a new idiom every day. The app also offers daily horoscopes, information about Chinese characters, and famous quotes. Whether you're a Korean language learner or simply interested in expanding your knowledge of traditional idioms, this app is a valuable resource.

The app is completely free to download and use, making it accessible to a wide range of users. Its user-friendly interface and well-organized content make it easy to navigate and find the information you need. Whether you want to improve your Korean language skills or simply explore Korean culture, 이야기 고사성어 is a must-have app.

Please note that the developer's contact information is not provided in this review.