Do you feel the light of your mobile screen is too strong?
Do you feel your eyes fatigued after watching the phone screen for a long time?
Does the glare of the screen make your eyes uncomfortable when you play phone in the bed at night?
Do you feel your vision is blurry after long-use phone?
All of these problems are caused by the blue light that emitted from the phone screen. Which will bring you eye strain and vision loss if you looked at the screen for a long time without rest.

Now, with this application, you can easily get rid of the blue light.
We have these advantages:
- Heavily reduce the blue light to relieve eye fatigue and protect your eyes;
- We have 5 different filter colors for you to choose: nature, red, brown, dark, yellow;
- You can dynamically adjust the filter strength;
- Easy to use, one one button to switch on/off;
- Stable, no force close;
- It's Free!

// Option A //

To download Bluelight Filter - Night Mode mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Bluelight Filter - Night Mode mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Bluelight Filter - Night Mode from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Bluelight Filter - Night Mode in HappyMod App.