(only) for advanced flow, there’s this flow exporter & importer, part of the Device Capabilities app:
I don’t understand the next questions you had, but it’s best to discuss those with support like you just did.
Oh, one handy tool is the HomeyLink app.
You can import and control devices of other Homey’s and start flows on the remote Homey’s. This can be installed on any of your Homey’s, so all Homey’s are both controller and satellite.
