SAMSUNG THEME INSTALLATION: An add-on (paying) module is required for Samsung device users. This will be communicated when you open the Substratum application on your device.
INSTALLATION THEME ANDROMEDA: The black theme for Andromeda needs a paid add-on module to work.
INSTALLATION THEME ANDROID 8 / OREO: It is necessary to restart your device after each installation or update of an overlay if you use Android Oreo! This action is required by the system to update application overlays.
For More Info Google Play
varies with device
Download Swift Dark Substratum Theme +Oreo Samsung the me 11.6 Patched APK For Android