How to Get Android’s System UI Tuner on Non-Stock Devices

One benefit users of stock Android devices have had for the past few iterations of the OS is the System UI Tuner—a hidden menu that allows for extra customization of simple things like which icons are shown in the status bar, powerful notification controls, and more. Now, thanks to a new app (and a short workaround), you can have this menu on any Android device—not just ones running stock Android.