All in one Gestures allows you to hide soft keys, and control your device with simple gestures. Just swipe your finger across the screen, and the action you want will be performed.
• Swipe from edges.
• Double tap on the status bar.
• Long press on the physical keys (for Android 4.3+).
• Mouse or stylus (S Pen) is also supported.
• Home, Back, Recent Apps, Screen Off, Immersive Mode, etc.
• Launch of an application or a shortcut.
*** For Android 5.0 users without Root ***
On Android 5.0 and above, it is possible to enable Immersive Mode with keyboard support. A tutorial can be found here: http://tinyurl.com/ow83t7f