Only the current version so far — new entries appear as the game ships updates.
CartoPulse: Japan is an educational game by PieniWorks with 1+ downloads (about 2 estimated). +2 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Covering all 47 prefectures and 1741 municipalities nationwide! This is the definitive app for mastering Japanese geography in a fun way with intuitive map quizzes and detailed data.”