Only the current version so far — new entries appear as the app ships updates.
오색중국어 - 일대일 피드백, 회화, 동영상 강의 is an education app by colorproject with 10,000+ downloads (about 31K estimated). Released Jun 5, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Learning Chinese in 5 Colors - A proprietary and patented Chinese learning method”
