Most inquiries are answered through FAQ. Please check the FAQ to see if any of these apply.
Sign In & Sign OutAccount SecurityAccount IssuePIDAccess/Delete Your Data
In-App PurchasePurchase IssueRefundPurchase ManagementPayment Method
RequirementsStarting OffIn-Game CurrenciesStagePassSaved Data
Technical IssueStore IssueSetting InformationOthers
Terms of ServicePrivacy PolicyOperation PolicyParental GuideLicenses