만세력 설명서 is a lifestyle app developed by Know Myself for Android devices. With this app, users can easily calculate their Four Pillars of Destiny (사주) by inputting their birthdate and time. The app provides calculations for the year pillar, month pillar, day pillar, and hour pillar, allowing users to quickly search for their Four Pillars of Destiny.

In addition to the basic calculations, the app also offers features such as fortune-telling, compatibility analysis, and personal destiny analysis. Users can explore their fate, fortune, and other related information through the app. The app aims to provide a convenient and accessible way for users to gain insights into their destiny.

Please note that the app is currently in its initial stages, and the developer plans to add more features in the future, such as additional information on fate and compatibility.