You mentioned in your last post that you are using Katalon 5.2.0 - can you confirm that is the correct version number? For the other dependencies you list, it’s recommended that you use Katalon Studio 6.2.0 rc1 beta, which you can find here:
Please make sure you follow the instructions on that post, as some of them relate to libraries that detect devices, so if you don’t have those installed, you won’t be able to see your simulators in the list.
Hope this helps,
Chris