I'll show you how the big cell phone companies leave their mark on Android by altering the design of Google's mobile operating system.

Google is bringing a system-wide dark mode to Android Q. It’s called Dark Theme and it’s exactly what you would expect, changing white page elements to solid black across the OS for friendlier ...

Themes need to be compatible with the specific Android-rooted ROM you currently have on the phone. If you install an incompatible theme, you may run into issues with the operating system or phone ...

A developer has managed to get the Android 12 wallpaper-based theme system running, illustrating how it will change the look of your phone.

Thanks to the folks over at XDA and a few hard-working developers, you’ll soon be able to use system-wide Substratum themes on any Android 8.0 Oreo device — no rooting or custom ROMs required.

Here's how to enable the system-wide Android 10 dark mode theme for smartphones that have the new OS update installed.