From your home in the Alexa app, follow these steps to add your Hilo devices :
From the Alexa Home screen, tap on the Plus tab at the bottom right corner of the screen.
Tap on Skills & Games.
Tap on the magnifying glass and search for Hilo.
Tap on Enable to use.
When prompted enter your Hilo credentials, then tap Connect.
Once authentication is completed you'll have access to your Hilo devices and you'll be able to control them using the voice-activated Assistant or the Alexa app. You will still be able to control your devices via the Hilo application at all times.
Having trouble setting up your Alexa personal assistant? Read this help page.