the easiest way to overwrite the favicon in the browser tab which is displayed when you open a Simplifier application, is by uploading a suitable image / icon file via the application overview list. You’ll find the uploader option in the side menu on the right hand side of the app list (see also the attached screenshot for reference). In addition, it’s also possible to set the favicon programmatically during the runtime of your app using JavaScript code that you add to your application process inside either a Script activity or a client-side business object function. Here’s an example on how to achieve that.