Only the current version so far — new entries appear as the app ships updates.
평화통일 골든벨 is an education app by 유비쿼터스 with 100+ downloads (about 245 estimated). Released Aug 18, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “'2021 Peace Unification Golden Bell Problem' produced by the Democratic Peace Unification Advisory Council has been developed as a quiz app.”