Some applications like PSBA Clock, Calendar, Messaging, MusicFX and Gallery may or may not work, because each custom ROM has its own variant of these applications, so if you get an error while compiling, just do not install them.
+ Theme works only on OMS 7.1.x ROM
+ Theme does not work well on Action-based ROM and LineageOS (you can get fc or unthemed part of some applications)
+ You will not be able to install the theme if you have installed Lucky Patcher on your device
For More Info Google Play
Supported Android
varies with device
Download nineteen substratum vnineteen Patched APK For Android