Can we combine Mobile and Desktop Automation in a single test case

I have an application which integrates Desktop & Mobile App. So my scenarios shall cover testing some feature integration with desktop and Mobile app.

Using Katalon can i combine Desktop/API with Mobile app Automation steps in an single test case. Have any one tried to combining multiple Technology automation in an single test case.

Can we combine Mobile and website Automation in a single test case?

This is my https://perfectessaywriting.com/ website and the same android mobile application.
is it possible to perform a single test case on my website and application?