If you are unable to install or update through the Google Play Store, please proceed as follows. Method 1: Reset Google Play Store data - Settings > Applications > Select Google Play Store > Select a storage item > Proceed to delete data - Install or update from Google Play Store Method 2: Manual installation - Select the URL below, download the installation file, and install it manually. - http://download.kiwoom.com/mts/HeroT.apk (If you inquire about allowing “apps from unknown sources” duri