Welcome to BigBlu, a unique custom theme for the substrate theme system. Using black, dark or transparent backgrounds and blue accents, BigBlu will transform your device and fear some of your favorite apps. Big Blu gives you the possibility to choose between several buttons, or no buttons, and will be shown throughout the theme and in many themed apps. Just choose the desired button when enabling the Android system overlay and you are ready to go.
Supported Android Devices : [4.0.3–4.0.4] Ice Cream Sandwich - [4.1–4.3.1] Jelly Bean - [4.4–4.4.4] KitKat - [5.0–5.0.2] Lollipop - [6.0 - 6.0.1] Marshmallow - [7.0 – 7.1.1] Nougat - [8.0-8.1] Oreo -  Pie