Only the current version so far — new entries appear as the app ships updates.
算命学の万年暦。 is a tools app by StarStarRain(スタスタレイン) with 1,000+ downloads (about 3.4K estimated). +4 installs in the last 7 days. Released Feb 26, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “This is a perpetual calendar app necessary for Sanmeigaku fortune-telling. It supports the years from 1602 to 2026, has a search function for famous people, can save up to 60 items, displays Yin and Yang fortunes, and has a space chart link function.”