VIP subscriptions cannot be cancelled from within the game and are managed by Google Play.
Android (Cancel, pause, or change a subscription on Google Play - Android):
Important: When you uninstall the app, your subscription won't cancel.
Open the Google Play app .
At the top right, tap the profile icon.
Tap Payments & subscriptions Subscriptions.
Select the subscription you want to cancel.
Tap Cancel subscription.
Follow the instructions.
Tip: If you have a subscription with an app and the app gets removed from Google Play, your future subscription will be canceled. Your past subscriptions will not be refunded.