Take a look at this:
https://www.privacyguides.org/en/android/general-apps/
Shelter is recommended over Insular and Island as it supports contact search blocking.
When using Shelter, you are placing complete trust in its developer, as Shelter acts as a Device Admin to create the Work Profile, and it has extensive access to the data stored within the Work Profile.
I also remember starting with island but changing to shelter because it supports app pausing without using a third party proprietary app to pause work apps
This one is a single flatpak that is self contained, the other one is a script that downloads the emulators one by one, in both cases you can pick and choose which ones you want to download from a list and they’ll do the rest if you provide the ROMs