If you're looking for a way to study for the Certified Real Estate Brokerage exam, the 공인중개사부동산공법 OX퀴즈 app might be just what you need. Developed by TaehoSong, this free Android app offers an easy way to review complex real estate laws and regulations through OX quizzes.

With this app, you can practice answering questions based on past exam papers and review key concepts from textbooks. You can also create a personalized note sheet with questions that you find particularly difficult. The app provides a feature that allows you to exclude questions you find too easy or too difficult. Additionally, you can contribute questions to the app's database for other users to review.

The app also includes links to video lectures and provides statistics on your performance, as well as the performance of all users. The app is free to use, but if you purchase the in-app upgrade, you can enjoy unlimited questions per day and remove ads.