A free app for Android, by KDDI株式会社.

Au PAY is a mobile application that allows you to make cashless payments using your smartphone. It has the function of receiving payments through QR code and the mobile number, as well as receiving and managing money through bank accounts.

You can check your balance, usage history, number of points you have, and the history of usage.

You can check the available shops and point-up shops, and search for the shops that can be used for each payment.

You can also search for the financial institutions that you have registered with, and check the amount of money you have in your account.