Right now, Spotify is working with Google and if you have a premium individual or family account, you get a free Google Nest Mini. However, this offer is only available in the US. It should be available elsewhere because we all pay a similar price (Slightly more in the UK and Europe) but only US customers get the benefit, all of the customers should be treated equally.
According to the Idea Exchange Guidelines, changes to pricing, subscriptions, or the content available are specific to each market around the world, and they can’t be influenced by idea submissions. For more information, check out the Guidelines here.