You can easily use the back button with just one hand.- Lightly swipe the set area.- If you do not release your finger, the back button function will be executed repeatedly.**Need Accessibility service**- Select a Swipe Back in the service item.- Turn on the accessibility service.⦿ This app uses the AccessibilityService API. - We do not collect any personal information through accessibility services. - Accessibility services are required for the following functions: · back function.Accessibility permission is used to register the swipe actions of the user, So that back function will work.