- Open Google Play account page from PC
- Click on the three vertical points icon in the ACTION column and choose "Report a problem" for the app you want to be refunded.
- In the drop-down menu select the "I'd like to request a refund" option.
- Fill out the reason why you want a refund and click on the "Send Report" button.
Important: the subscription fees paid via Google Play are only refundable within 48 hours after the purchase. More about its refund policies here: https://support.google.com/googleplay/answer/7659581