While Master Screen is supported in web applications, Master Screen is not supported in mobile applications.
There are also differences in Template screens in Web and mobile applications. While creating a new screen, Dashboard, Card and list, Two Columns, Three columns, Marketing Dashboard, Marketing with Left Menu, Sales Dashboard, Sales Dashboard with Left Menu options are available in Dashboard screens in Web applications, while Dashboard, Card and List, Two Columns and Three Columns screen templates are available in Mobile applications.
