One of the biggest advantages of working with Dialogflow is that the Fortune Cookie that you built for Google Assistant can also work with Google Home with hardly any effort. Both Google Home and Google Assistant are integrated into Dialogflow, and the application will work on both devices. The only thing that's different about Google Home is that Google Home devices cannot display visual elements like phones can. This is the reason why whenever you create a response sent back to Dialogflow from your server, you always have to have the displayText for devices that do not support visual elements.
The following code recaps a typical fulfillment response that's sent back to Dialogflow from the server, which contains the SSML response for the audio response and displayText as a fallback response in case the device does not support...