To use the Kobiton Integration plugin, you need to have Katalon Studio 7.0.1 as the minimum compatible version.
After installing and reloading plugins, go to Preferences > Katalon > Kobiton.
Enter your username and password to connect with Kobiton.
For more details about Mobile testing with Kobiton devices and how to integrate with Kobiton, refer to this document.
Visit Katalon Forum for Plugin related discussions.