Only the current version so far — new entries appear as the app ships updates.
動物なあに? - タッチ図鑑シリーズ is an education app by Pixel Inc. with 1,000+ downloads (about 5K estimated). +7 installs in the last 7 days. Released Feb 13, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “A touch picture book with Japanese and English sounds for babies and toddlers!”