Hi,
We received your refund request for Bag of Gems (Clash of Clans).
Unfortunately, we can’t process your request over email at this time.
If you’d like to get help with an issue, please visit the Google Play Help Center:
https://support.google.com/googleplay/?rd=1#contact=1
On the Help Center, you’ll find answers to common questions or issues, as well as ways to contact Google Play support specialists in supported languages.
Thanks,
The Google Support Team