Only the current version so far — new entries appear as the app ships updates.
STB상생방송 is an education app by 상생방송 with 10,000+ downloads (about 11K estimated). +15 installs in the last 7 days. Released Feb 1, 2017. Install growth, rank history, SDKs and ad networks.
From the store listing: “STB Broadcast is the world's only win hanmunhwa center channel to introduce a new culture of Korean history, culture and coexistence.”