The assistant will let you control playback and ask Spotify to play a specific song, artist, or playlist. 'Hey Spotify' is rolling out to iOS and Android users. You can try to manually enable it using the following steps.
● Tap the Settings icon on the Spotify homepage
● Tap "Voice Interactions"
● Tap the "Hey Spotify" toggle
You can download Spotify from the App Store for free.
Read More [via 9to5Mac]