[Nov. 15, 2016 Updated]
We have confirmed that the issue has been resolved on Google Play as well.
We hope you continue to enjoy playing Final Fantasy Portal App.
[Nov. 1, 2016 Updated]
We have confirmed that the purchase issue with the App Store has been recovered. We will continue to investigate and address the ongoing purchase issue for Google Play.
Furthermore, when an error occurs during the payment process, please wait a while to confirm that the payment did not go through as there may be a delay before re-trying again.
If there is still an issue after re-trying, please inquire through Google Play support.
(https://support.google.com/googleplay/?hl=en#topic=3364671)
We apologize for the inconvenience and thank you for your patience while we address the issue.
We hope you continue to enjoy “Final Fantasy Portal App”.
Thank you for playing "Final Fantasy Portal App".
Currently, there is an issue wherein certain users may be unable to purchase gil or "Final Fantasy (Portal version)" and "Final Fantasy II (Portal version)" at the App Store or Google Play. The issue is currently being investigated.
We apologize for any inconvenience this may cause and ask that you please wait until the technical difficulties are resolved.
We hope you continue to enjoy "Final Fantasy Portal App".