Hello sten store!
Various payment methods are available in the game. You can choose the right one for you according to your device's operating system: Android or iOS. Please note that available payment methods may vary by country and location.
Android supports payment methods such as credit or debit cards, Google Wallet, direct carrier billing and PayPal.
As for iOS, you can use the following methods: credit cards, Store credit, including App Store Gift Cards, Gift Certificates, and Allowances, ClickandBuy, PayEase, PayPal and UnionPay (requires an SMS PIN for setup).
If you have any additional questions concerning payment methods, please contact your payment system support: Google Play or App Store.
Have a nice day!