I finally found it! Cash Island available with cash~

Participate in the ads you want and collect cash quickly and easily
Get cultural gift certificates and Google gift cards in real time.

Cultural gift certificates can be exchanged starting at 1,000 won, and Google gift cards can be exchanged starting at 5,000 won.

Naver Pay, Book Culture, Happy Money, CU, GS25, E-Mart 24, CGV, and 7-Eleven mobile gift certificates can also be exchanged, so please use them.

There is no exchange fee, and we will send you a mobile gift certificate in real time when you apply for exchange.