Only the current version so far — new entries appear as the app ships updates.
主語・述語パズル｜文のしくみを学ぶ is an education app by LBB LLC with 1+ downloads (about 1 estimated). +1 installs in the last 7 days. Released Oct 21, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “A Japanese language puzzle where you sort word cards and find the subject, predicate, and modifiers.”
