This is an app that allows you to learn Korean by solving Hangul quizzes of high difficulty level.
It consists of questions from the TV program 'Korean Language Competition', and more questions are added continuously.

One crossword puzzle consists of about 15 crossword quizzes, and if all problems are solved, the crossword is complete.
It consists of meaning problems, initial consonant problems, association problems, double word problems, proverbs, and idiom problems, and requires you to enter the correct answer within a time limit (30 to 40 seconds).

Solved problems can be reviewed and solved again by refreshing.
Even in your busy daily life, take some time to learn vocabulary, improve your Korean language skills, and train your brain.