Korea Subway Bus is a multi-lingual travel app that provides accurate information on national buses and subways, making it easy for travelers to explore hidden attractions in Korea. The app offers a scalable vector graphics (SVG) subway map that allows users to zoom in and out without compromising image quality. All bus lines and stops are available in multiple languages, making it accessible to tourists who don't speak Korean. The app is updated periodically to ensure that users have the latest information on national buses and subways.

In addition, the app offers a favorites feature that allows users to easily search for their favorite bus routes and stops. The app requires user authority configuration, including read and write external storage and record audio. The developer's contact information is available for users who need to get in touch.

Overall, Korea Subway Bus is a useful travel companion for tourists visiting Korea. With its multi-lingual support and accurate information, users can easily navigate the national buses and subways to explore the best attractions in Korea.