You can use the APP iHogar THI to control smart lights, smart plug etc in your house by voice.
iHogar THI could control and scene your smart devices at home, like:
* Ok Google, turn on kitchen light * Ok Google, turn off kitchen light
* Ok Google, dim livingroom light
* Ok Google, brighten livingroom light
* Ok Google, set the livingroom light to 20 percent
* Ok Google, set bedroom light to Blue
* Ok Google, turn on bedroom air conditioner