A. For payment order history, check below for your OS.
- [ Android ]
1. You will automatically receive the details such as the date and time of the order, the order number, and the name of the purchased product in the Gmail account you paid with.
2. You can check your payment history by tapping the Gmail icon in the list of your device applications.
※ In the case which you did not receive any e-mails,
Once you sign up for the Google Wallet (http://www.google.com/wallet), you'll see your Gmail account in the top right of your screen. You can check the order number by selecting the Gmail from the transaction in the left menu.
- [ iOS ]
1. After running iTunes [ Log in → Select Account -> Select "Show All" in your Purchase History → Select Game → Check your Payment History ]