Sure, I'm actually have some Bulbs still on Singapore (awaiting reset), and I'm able to control them via HA, but if you leave them on Singapore, you cannot interact with Mi Home app and the Gateway. As I wrote, my goal was command the lights via Google Home but at the same time using the gateway and its sensors to, e.g. switch on the light with motion sensor.
Guys, use Raspbian (or at least hass.io). I prefered HA on Raspian because I can use the OS also for other things than only HA.