Only the current version so far — new entries appear as the app ships updates.
百人一首 初めてかるた 無料版 is an education app by PolygonDrill Ltd. with 100,000+ downloads (about 121K estimated). +20 installs in the last 7 days. Released Jul 2, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Free for ages 3 and up. This karuta learning app lets you learn Hyakunin Isshu (a collection of 100 classical Japanese poems) in a fun way with Chamame the cat, featuring in-game phonetic guides and narration by a professional singer.”