The 9000 series if a WiFi thermostat and so it has a Cloud to Cloud integration from the manufacturer. They may not have made the integration show all the required ST thermostat capabilities and hence you won’t see them.
There is one issues here which is unresolved by ST. The new standards don’t specify a generic thermostat capability (they have separate cool and heat capabilties) where as the older specs supported all 3 (thermostat, heat and cool). Most apps you’re using use the generic thermostat capability (to make it easier as it should be) and if the manufacturer to didn’t include the generic thermostat capability it won’t work with these apps. You’ll have to ask the manufacturer to add support for the generic thermostat capability (which is easy in principle). Other you’ll have to use the Z-Wave Honeywell thermostats to be able to use these apps (Z-Wave device handlers support all 3, generic thermostat, heat and cool).
Also tagging @dkirker