Mobile Security for Android is available for purchase on the Google Play Store app. However, Malwarebytes cannot access your payment information when you purchase through the Google Play Store app. Google does not share any user information with merchants for security purposes.
Update information or request a refund
Contact the Google support team if you wish to update your payment information or request a refund. Locate your Google Play order number to assist the Google support team with any processing.
Cancel your subscription
To disable auto-renew or cancel your Android or Chrome OS device subscription, see Google's support article: Cancel or change a subscription on Google Play.