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Use your device easily with only one hand !
By Hafiz Rahman
Editor, tools and utilities
One Hand Operation + is a Samsung utility for operating a phone or tablet with one thumb. It places a narrow gesture handle along the left or right edge of the screen, and a swipe on that handle runs whatever action you have assigned to it. Out of the box the handle performs Back, the navigation action people use most.
It suits people who reach across a large screen with one hand, and people who use a bumper case that shifts where the thumb sits. The handle is the only part that sits on screen, so the rest of the display stays available for the app you are using.
The build we hold is One Hand Operation + 6.4.25.0 (APK) for Android 9.0 and up.
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Each swipe direction can carry its own action. The listing describes horizontal swipes and diagonal swipes, both up and down, as separate gestures. Short swipes are the starting point, and long swipes can be given a second set of actions once short swipes feel routine.
Handle settings cover hand size, thumb thickness and the shape of a bumper case. The developer advises keeping the handle as thin as possible, because a wider handle is more likely to catch touches meant for the app underneath.
Navigation actions include Back, Home, Recent, Menu, Previous app, Task switcher and, inside a web browser, Forward. Screen actions include pulling the screen down, moving the screen, showing or hiding the navigation bar, turning on One-handed mode and turning the screen off. Panel actions open the notification panel, the quick panel and the power key menu.
App and search actions include opening the Apps screen, starting a chosen application or starting one in a pop-up window, opening Finder search, the Assistance app, Quick tools and widget pop-ups, and jumping to Home screen shortcuts. Other actions include taking a screenshot, closing the current app, split screen view, the flashlight, a virtual touch pad, floating navigation buttons and keyboard shortcuts.
The handle receives touches above whatever app is open, so it can interfere with apps that rely on edge touches, such as games. Under Advanced Settings, App exceptions lets you pick apps in which the gesture handles stay inactive while those apps run.
The handle is therefore switched on for general use and turned off for specific apps, rather than being disabled everywhere.