To cancel your subscription to the Brainwave3D App on your Android device, follow these steps:
Open Google Play Store:
Tap the Google Play Store icon on your home screen or in the app list to open the store.
Open Menu:
Tap the menu icon (three horizontal lines) at the top left of the screen.
Select Subscriptions:
Tap on "Subscriptions."
Select Brainwave3D App:
Choose the subscription for the Brainwave3D App that you want to cancel.
Cancel Subscription:
Tap on "Cancel subscription" and follow the instructions to confirm the cancellation.
Important Notes:
After canceling the subscription, you can continue to use the content until the end of the billing period.
The cancellation must be done before the next billing period to avoid further charges.