You can use the APP to control smart lights, smart plug etc smart device in your house by voice.
U-Smart could control and scene your smart devices at home. Ok,Google, Turn on <light name>
Ok,Google, Dim the <light name>
Ok,Google, Brighten the <light name>
Ok,Google, Set <light name> to 50%
Ok,Google, Dim/Brighten <light name> by 50%