It might take a few days to respond your questions. Customer service office is closed on Saturdays, Sundays and holidays.
▼An inquiry about malfunction, try rebooting the application first and see if it is recovered.
▼For inquiries, please inform us of the following information to investigate problems.
※ The type of OS (Android 4.0, iOS 8.0 etc)
※ Input the name of terminal
※ Please let us know problems in detail (when it happens, or how to react the problem etc.)
Make sure to send us the information above when you contact us. Thank you.