Only the current version so far — new entries appear as the app ships updates.
3Q小学校ドリル(小学生の練習用 国語 算数 英語問題集) is an education app by 3Q-APP with 100+ downloads (about 373 estimated). +40 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “A learning app for elementary school students in grades 1-6. It allows students to learn Japanese language, math, English, social studies, and science in a flashcard format. It features three modes: study, practice, and test, and includes a function to review incorrect answers.”