Only the current version so far — new entries appear as the app ships updates.
EPARK Doctor 順番呼出管理アプリ is a medical app by エンパワーヘルスケア 株式会社 with 5+ downloads (about 6 estimated). Install growth, rank history, SDKs and ad networks.
From the store listing: “This is an app that can be used by clinics that have a contract for EPARK Doctor's turn-call plan. *Cannot be used by clinics without a plan contract.”