Do you think that it is difficult to operating key(button) on big screen by one-handed operation ?

The solution of this problem is "Virtual Key."

You can emulate the following actions easily by swiping simple circle object created on edge of screen.

- Back Key (Back Button)
- Home Key (Home Button)
- Show Recents (Recents Button)
- Open an Application
- Show the History of ClipBoard
- Take Screen shot

You can switch the function by swiping area (radius) and touch seconds.
Also you can select the number of area.

* You must switch "ON" the Accessibility of this App.