This mobile app is the official Republic of Korea government app and you can use it to apply for the K-ETA. K-ETA is an electronic travel authorization that visa-free foreign visitors need to obtain before entering Korea, by submitting relevant information such as their travel information. Use this app to apply for your K-ETA easily and conveniently. - K-ETA is required for nationals of 66 visa-waiver countries and 46 designated visa-free countries - You need to apply at least 24 hours before you board your flight or ship - Official Website: www.k-eta.go.kr