The variables in the UserScript section are used by the Tampermonkey to assign names, description along with other properties that define how a script executes.

To run Greasemonkey scripts in Chrome or Edge, you can use a browser extension. Tampermonkey is a well-regarded and popular extension that provides this functionality.

TamperMonkey is an Android browser that has full support for userscripts, and allows you to add and manage GreaseMonkey scripts to your Android device.

Installing the script Click the extension icon on the Google Chrome toolbar to open the menu and click 'Tampermonkey.' Click 'Add new script'. Then this screen will open.