NHN Japan to Launch LINE's New Platform Service, 'LINE Channel' PR Newswire TOKYO, July 3, 2012 TOKYO, July 3, 2012 /PRNewswire/ -- NHN Japan Corporation has announced that a new platform service, 'LINE Channel', is scheduled to be implemented very soon into its free-calling and free-messaging app 'LINE' (http://line.naver.jp/).