Softkeys Ninja

*** This app work with phone, it MAY NOT WORK WITH TABLET ***

We watch video everyday. Some of video streaming apps is do not hide soft keys (home / back / recent apps key) during full screen video playback. It is very annoying and disturbing. The app add a "Down Button" for selected apps. s can press this button to hide the soft keys, and enjoy truly full screen video playback.
The soft keys bar is also know as navigation bar.

★ Hide soft keys on demand anytime, anywhere (by pressing our floating "Down Button")
★ Move "Down Button" to your favorite location
★ location for portrait and landscape mode
★ Customizable size and transparency
★ Display "Down Button" only for selected apps (floating on top of your screen)
★ Auto start on boot
★ Lock "Down Button" position
★ Ongoing hiding / fullscreen function *REQUIRE ROOT*

Update Log:
1.0.87 Fix for android 5
1.0.84 Xiaomi fix
1.0.83 Allow fully transparent down button
1.0.82 Fix for 4.4
1.0.80-81
* Enforce ACCESS_SUPER permission
* Update Icons for higher resolutions
* Fix for edge not found problem
* Fix for Nexus 5
* Other minor bug fixes

1.0.76 Auto unlock for force-fullscreen function [Kitkat/ #screen lock: Slide or None] (require DISABLE_KEYGUARD permission)
1.0.75 (Rooted devices only feature)
* Ongoing hiding / fullscreen function (Require SET_WALLPAPER permission)
* Auto-fullscreen list

1.0.71 Bug fix
1.0.70 Notification fix (4.3+)
1.0.75 (Rooted devices only feature)
* Ongoing hiding / fullscreen function (Require SET_WALLPAPER permission)

1.0.70 Notification fix (4.3+)
1.0.69 Add +1 button
1.0.66 Widget bug fix
1.0.65 On / Off switch for displaying "Down Button"

Popular ed devices: Nexus 4, Nexus 5, Nexus 7, Nexus 10, LG G2, Xperia, etc.