SCREEN FILTER (for privacy)

This app apply software filters on your screen with features:
1. Dark filter
   In darkness, you can adjust the brightness of the screen to avoid glare.
  If there's light (source) this feature doesn't operate even if switched on.

2. Security pattern
By applying specific pattern on screen, people surrounding you hardly recognize contents displayed on your phone display.
   Useful at public places such as BUS, SUBWAY, Square where your privacy is more important.
Since the pattern lowers the contrast of your phone screen, you may also difficult to recognize contents easily, control the strength of pattern application.
   This pattern can make you feel fatigue in your eyes. Use this feature for a short time only when it is needed by switching on/off a small icon appears besides your screen.

3. Screen shield
  You can protect your personal information or privacy with this feature which works like a shade at the window.

   You can move this shield up and down, and resize it.
By touch&move left or right, you can adjust the transparency of the shield.
   If you touch inside the shield, the area you touched changes to transparent. You can see through the contents bellow the shield.
   you can minimize the shield to an icon by double touch on the shield.
Custom shield image can be applied.