Not paid after payment

Google - I made a payment, but the item hasn't been delivered (Request a payment)

iOS -I made a payment, but the item hasn't been delivered (Request a payment)

Refund/Cancel

Google - I made a payment, but the item hasn't been delivered (cancel request)

iOS -I made a payment, but the item hasn't been delivered (cancel request)

Google - I accidentally bought the wrong product and want to cancel it.

iOS - I accidentally bought the wrong product and want to cancel it.