The app contains the Gasa and Sijo of Songgang. It includes "Gwandong Byeolgok", "Samiingok", and "Sokmiingok", as well as poems showing his love for the people as a governor.
The app presents an educational philosophy based on biology and medicine. It explores sensitive periods in child development and advocates for tailored education, drawing on psychoanalysis.
The app presents the life and works of Minamoto Ryoen, a scholar who graduated from Kyoto University's philosophy department in 1948. He held professorships at various universities and specialized in the history of Japanese thought.
