It is ascertained that a dark screen uses less battery than bright one. This app allows you to use Facebook and thanks to the dark black theme you will save battery.
Optimized for AMOLED and SUPER AMOLED Screens!
The App is totally free.

This is an article that testifies how a black screen saves battery: http://goo.gl/l8JZSj
Main features:
- Download pics
- Load mobile or desktop Facebook website
- Use proxy to access to Facebook
- Multiwindow support for Samsung devices
- Block Images to save bandwidth

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