The Custom HTML
allows you to create an app using your own custom HTML and
View Source Code
You may quickly obtain the code from an existing Custom HTML app to make a copy or edit details.
To view the source code of an installed app:
- Select the app gear menu icon, then select View Source.
- From the pop-up window, select Select All to highlight the app code.
- Copy the highlighted code by right-clicking and selecting Copy, or use the cmd+c shortcut on your keyboard.
- Paste the code into a new Custom HTML app or editor and make your changes.