Only the current version so far — new entries appear as the app ships updates.
学研『スマホ問題集 高校入試 英語・数学・国語・理科・社会』 is an education app by Gakken Inc. with 10,000+ downloads (about 24K estimated). +30 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “From basic confirmation to past exercises with this one”