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Screenshots

  • One Hand Operation + screenshot 1
  • One Hand Operation + screenshot 2
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  • One Hand Operation + screenshot 7
  • One Hand Operation + screenshot 8

About One Hand Operation +

With this app, you can use your device easily with only thumb.

When the function is set, thin gesture handles are added to the left / right side of the screen.
By swiping this handle, defined functions will be executed. the default function is the Back button which most frequently used.

You can set various functions on horizontal / diagonal up / diagonal down direction gestures. As you become accustomed to using short gestures, you can set up more functions on long gestures.

Currently available functions are as follows, and we plan to provide additional function upgrades.

- Back key
- Home key
- Recent key
- Menu key
- Apps screen
- Previous app
- Forward ( web browser )
- Open notification panel
- Open quick panel
- Screen off
- Close app
- Flashlight
- Split screen view
- Assistance app
- Finder search
- Screenshot
- Show/hide navigation bar
- Floating navigation buttons
- Pull screen down
- One-handed mode
- Power key menu
- Home screen shortcuts
- Start application
- Task switcher
- Quick tools


Depending on the size of hand, the thickness of thumb, or the shape of the bumper case being used, various handle settings are provided to optimize gesture recognition.

The handle will receive user's touch above the running app. So, as long as the gesture recognition is possible, it is recommended to set handle to be thin.

And once you are fully familiar with the use of gestures, It is recommended that set max transparency.

In addition, when the touch interference is severe with running application such as game, you can set [App exceptions] in [Advanced Settings], then the gesture handles will not work when the app is running.

Experience the convenience of gestures on your phone and tablet with One Hand Operation +.

Thank you.

What’s new

Version 9.3.13.0 · Updated September 15, 2026

Bug fixes & stability improvements. [Version 9.3.13] - Fix gesture not woriking issue after reboot. - Bug fixes and stability improvements.

User reviews

Mrigendra Patel
Mrigendra Patel
Nice
Radical Teletubby
Radical Teletubby
Thanks for the fix and responsiveness. Now the task switcher is quick to use again! Great update. Here's your five stars.
Humeid Al-Habsi
Humeid Al-Habsi
Yes yes yes this is amazing I have the galaxy s20 and this is amazing it fixes the unintentionally back gesture swipe Thanks Samsung for this amazing app
Abdullajon Mamanazirov
Abdullajon Mamanazirov
The best
Javon Tay
Javon Tay
Just missing flight mode in quick settings
Takkaman LFC
Takkaman LFC
So good

Frequently asked questions

How does One Hand Operation + work?
One Hand Operation + allows you to use your device easily with just your thumb. It adds thin gesture handles to the left/right side of the screen, which can be swiped to execute predefined functions. The default function is the Back button.
What functions can I set with One Hand Operation +?
Currently available functions include Back key, Home key, Recent key, Menu key, Apps screen, Previous app, Forward (web browser), Open notification panel, Open quick panel, Screen off, Close app, Flashlight, Split screen view, Assistance app, Finder search, Screenshot, Show/hide navigation bar, Floating navigation buttons, Pull screen down, One-handed mode, Power key menu, Home screen shortcuts, Start application, Task switcher, and Quick tools. Additional function upgrades are also planned.
Can I customize the gestures in One Hand Operation +?
Yes, you can set various functions on horizontal, diagonal up, and diagonal down direction gestures. As you become accustomed to using short gestures, you can set up more functions on long gestures.
Can I adjust the handle settings in One Hand Operation +?
Yes, depending on the size of your hand, the thickness of your thumb, or the shape of the bumper case you're using, various handle settings are provided to optimize gesture recognition.
How should I set the handle thickness and transparency in One Hand Operation +?
It is recommended to set the handle to be thin as long as gesture recognition is possible. Once you are fully familiar with the use of gestures, it is recommended to set maximum transparency.
What should I do if the gesture handles interfere with running applications?
If touch interference is severe with a running application, such as a game, you can set app exceptions in the Advanced Settings. This will prevent the gesture handles from working when the app is running.
How can I experience the convenience of gestures on my phone and tablet with One Hand Operation +?
Simply download and use the One Hand Operation + app to start using gestures and enjoy the convenience it offers. Thank you for using One Hand Operation +.

Alternatives to One Hand Operation +

Looking for apps like One Hand Operation +? Here are 6 similar Android apps on Google Play. The highest rated is Samsung Members (4.5/5), and all 6 are free to download.

One Hand Operation + vs. alternatives
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