하루한번 건강체조 - 국민체조 국민건강체조 is an Android application developed by J-applications. It provides easy-to-follow videos of national exercise and national health exercise that anyone can learn and practice. This app is recommended for children, students, office workers, and the elderly who find it difficult to engage in strenuous exercise or dedicate time for exercise. It also offers simple stretching exercises that can be done before intense workouts. Users can click on the character next to the title to receive daily motivational quotes. The national exercise videos used in this app were created by the Korean Sport and Olympic Committee and made freely available for download on their website. Similarly, the national health exercise videos used in this app were created by the Korea Sports Promotion Foundation and made freely available for download on their website.