Root Hosting is supported within STB Emulator. Here is an easy to follow tutorial that will show you how to setup the STB Emulator for Root.
Go to Profiles in Settings –
Tap Test portal to modify the existing profile or Add profile to start a new one
Tap Portal settings – Tap Portal URL – Enter your Portal URL, for Root Hosting it is http://iptv.root-hosting.co.uk:8080/c/ and click OK –
Ensure this Portal is active and go back to the home screen and you should be up and running
You may need to give us your Mac code so please note this down