Tell me more about how to use coupons.

We will guide you on how to use coupons below.

How to use coupons:
- At the bottom corner of the screen, go to [Settings] → [System] → [Enter Coupon] → Enter Coupon Code → [Register]

* When using coupons, rewards will be delivered via Mail.
* Mail is stored for up to 30 days, so please claim rewards before the expiration. 
* Coupons can only be used on Android devices.