GaHyun KIM is an Android developer, who started in 2010, and thus is one of the Android pioneers. The current app portfolio contains 5 apps. Overall, we estimate that GaHyun KIM's apps have collected about 7 million installs, 20 thousand of them in the last 30 days. A popular app is 지하철 노선도
, which is highly ranked in at least one country and, with over 5 million installs, is one of the more popular apps in Google Play.