Learn Korean - Hoc tieng Han is a free Android application developed by EduStudios. As the name implies, this application is designed for individuals who are interested in learning Korean quickly. The app offers a wide range of features including many EPS Topik tests, videos for each level (beginner, intermediate, and advanced), and numerous grammar and vocabulary resources.

The interface of the application is user-friendly and easy to navigate, which makes it suitable for both beginners and experienced learners. The app is completely free, making it accessible to anyone who wants to learn Korean without having to spend any money. Overall, Learn Korean - Hoc tieng Han is a great app for anyone who is looking to learn Korean quickly and efficiently.