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Could you confirm my payment and account?
And this problem is second time. I have encountered same problem a year ago.
Thank you very much for your lasting support!
It's been updated. Please check.
Sorry the problem has bothered you for long. It's caused by a change in Google play payment system. We've found solution and will fix it this month or the next.
Any problems or ideas, please let us know.
Thank you! I confirmed to enable pro features.
Thank you for your confirmation!
If any problems, please just tell us.