The app presents selected famous sayings from Sun Tzu's The Art of War, relevant to modern life and historical understanding. It also includes profiles of 43 key figures from the Spring and Autumn period and selected sayings from Lao Tzu.
The app creates flashcards by photographing marked study materials. Users can study using these digital flashcards on their smartphone, transforming idle time into study sessions.
The app allows users to easily check their current psychological state by selecting colors. It utilizes 16 colors, including achromatic and chromatic options, to provide insights through touch and visual selection.