Study Korean words through the Korean vocabulary book Function provided -Provides divided Korean words that can be memorized per day -You can check the Korean words memorized that day through the test -Provide Korean word pronunciation by voice -Provides a function to review all Korean words by part, unit and whole -Favorites: Words that are difficult to remember can be added to favorites by pressing the star button. -Copy function: press and hold a word in the word list to copy the word. You c