The Swift Black Substratum theme makes over 200 applications in black and supports:
+ Make sure your system supports the use of a Substratum theme. See the list supported above.
+ Download the Substratum theme engine application and theme. When you open the Substratum application, you will find the theme inside.
+ Wait for all incrustations to install, then reboot.
Supported Android
Varies with device
Download Swift Black Substratum Theme +Oreo Samsung theme 22.8 Patched APK For Android