Can someone give me an idiots guide how to change the location on smart hub on a samsung nu7400 55inch model. Seems samsung have removed the smart iptv app but been told change country location and will be back in the app store Thanks

I've got a google home mini and I've got some Hive bulbs coming off eBay, I'm looking for a smart hub that I can connect the bulbs to that's also compatible with google assistant but I'm told the Hive hub is a bit naff and I know it doesn't connect to anything but Hive products so I'm a bit...