The nation's regulatory authority is looking into whether Google is abusing its market dominance.
The main player in the mobile application market, Google. allegedly used its market position for unfair leverage against smaller firms in its application store Google Play.
Korea's FTC is questioning mobile game companies about whether they were asked to publish games either in Google Play or in One Store,. a competitor operated by the nation's joint telecommunication services.
The watchdog is also looking into whether Google encourages pre-distribution to Google Play.. and retaliates against firms that don't comply.