-- NOTE: After an update you have to reload the script once in any folder. --

This app dims the background when you open Folders.

This requires Lightning Launcher to be installed:

https://www.google.com/url?q=https://play.google.com/store/apps/details?id=net.pierrox.lightning_launcher_extreme

How to use:
Open the folder for which you want to activate (or update) the script
Long press on an empty space
Select Scripts Load a script Dim Background
Follow the Setup