Only the current version so far — new entries appear as the app ships updates.
헬로클로이어학원 is an education app by B2 Corp. with 100+ downloads (about 337 estimated). Released Jul 10, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “Hello, this is a dedicated app for Hello Chloe Academy. An authentication key is required.”