Substratum Linear is a powerful theme designed for Android devices, compatible with various operating systems including custom Oreo 8.X.X, Android Pie 9.0, and Android 10. This full version theme requires the Substratum app and Andromeda for specific configurations, particularly for Samsung devices and unrooted Oreo ROMs. Users must ensure they are running a supported OMS ROM for optimal functionality. The setup process is clearly outlined, including detailed instructions for applying the theme on different platforms like Samsung Oreo and OxygenOS versions.

The theme offers a wide range of customization options, allowing users to select overlays based on their preferences and the specific apps installed. The installation process is straightforward, requiring root permissions and system modifications. It supports devices with various densities from xhdpi to xxxhdpi, although some items may not be themed depending on the ROM used. Users are encouraged to report any issues or missing icons, ensuring continuous development and updates for an enhanced user experience.