Router Admin & WiFi Manager Subscription Charge Attempts – Cancellation Request

After installing the “Router Admin & WiFi Manager” app from the Google Play Store on 26 August, I started receiving repeated emails about a payment for this app being declined on my Naypay card. The emails state that I have not paid for Router Admin, that money should be collected on my card to pay this merchant, and they keep asking me to update the payment method because the transaction was declined and that the subscription will be cancelled. Although I deleted the app and also contacted support through the app, on 1 September around 10:00 in the morning there was still an attempt to charge my Naypay credit card. I never knowingly approved any recurring subscription for this app and I do not want any payment attempts to continue. I request that my subscription to “Router Admin & WiFi Manager” be completely cancelled, that all future payment attempts through my Naypay card be blocked, that this merchant and app be investigated, and that any charges that may already have been taken from my card be fully refunded.