You can change the VTRPC application IDs to match your Discord apps and customize your VTRPC game name and images. If you don't know what this means, don't change them.
This section permits to customize overlay windows appeareance. You can choose a background color, a font color, font type and transparency. Useful for streamers to uniform to others overlay styles and own colors
Trucky Telemetry is a plugin for ETS2 and ATS, created to allow the game to communicate with Overwolf and the overlay. Installing it is mandatory to allow the app to work properly.