Only the current version so far — new entries appear as the app ships updates.
HoikuNote2 is a parenting app by プラス・イー・ピー・アイ with 100+ downloads (about 475 estimated). +3 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Contact book app for parents and guardians of nursery schools and children's schools”