Screen Filter -Bluelight Block

Screen filters
You are a very bright screen smartphone tired eyes go?
You are surfing the web or Android phone, eye strain when reading a book do you?
Reducing the brightness to minimum smartphone eyes at night, so this part us.
This application is to block blue light in the night.
This application is your eye protection, eye protection helps.
Privacy screen filter for your help.
Judging the security of sensitive information on smart phones, color and transparency to protect your bow and your ideas.
Expensive protection, security, visual protection film screen filter app to use instead.
Various colors to personalize the screen filter.
Transparency of the filter set transparency on the right for you.
This app is stable and there is little capacity less battery power.
Notify me when the filter is run tells you whether to run just the filter.