This shader allows you to work with Farming Simulator 20 mods that have this shader in their description. Without it, there are 2 outcomes, this technique is gray in appearance and also the possibility of a transparent technique in appearance.
To install FS 20 Android into the game, you need an APK Editor. The installation is the same as for the mod: unzip the folder, copy the name, and add this folder along the path: $assets/data/fs17support.
This shader mod is needed in some cases for mods for FS 20 Android. You can download it for free on this page of the article.