Our EG SIM CARD is simply application thatlet you top up for voice and data ,including applying and terminating for data service, and viewing your account balance, and viewing your voice, data and text messaging usage, and keeping in contact with our customer center.EG SIM CARD of the mobile app helps Evergreen mobile’ s subscribers to manage their Evergreen Mobility Service wherever they go.Top up for credit card from apps We have a Top-up option that’s Safe & Secure, Convenient for you.You can use a global credit card pr korea credit card to top-up online from App. The Minimum top-up amount may be 10,000won. We accept : VISA, Master, JCB, Amex