Agreed. This cannot control room temps individually without the underlying mechanical infrastructure to do so. It can only change the true temp sensor reading to a different area of the house while it continues to heat or cool the whole house.
However, there is some conflicting information out there as to if the thermostat can react to an individual room sensor rather than the T-stat temp sensor or an average:
This post claims that it will.
I am going to wait until I get mine delivered and then post about the experience.