Only the current version so far — new entries appear as the app ships updates.
오답케어 - 틀린 문제 반복 복습 is an education app by 에브리그라운드 with 10+ downloads (about 32 estimated). +3 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Customized learning solutions through vulnerability analysis”