I want to cancel my payment.

My purchase has not been paid.

I keep failing to make a payment.

How do I cancel a payment and get a refund?

My payment method (Google) has been stolen and a payment has been made without my authorization.

I want to stop accidental payments.(Google)

How do I find my Google Play Store order number?

How do I find my Apple App Store order number?

I want to change my Google payment account.

The use of the game has been restricted after the refund.