Koean Restaurant Guidebook application provides the following services:

- Koean Restaurant Guidebook application lists Korean restaurants in Los Angeles, U.S.A in categories based on either location or price range, and provides brief information on each restaurant, including notes on the ambiance and recommended menu items.
- It makes listings available in English and Korean.
- For restaurants with their websites listed, the app allows you to jump to their sites using your browser. It also allows you to call them using your telephone service, and calculates the prices of menu items in other currencies with just one click.
- It allows you to verify the location of each restaurant on the map, and utilizes your built-in GPS to display the shortest route to your destination. (Please note that the app may be unable to provide directions if the GPS signal is weak.)