The rest of the interface is consistent with Android Auto design guidelines. Which focus on large buttons, and plenty of negative space to quickly spot items to press while in the car. If you have an Android Auto dashboard unit with a Prime subscription, you may want to check it out.
Why this matters: Third-party developer support is essential to getting people interested in Android Auto. When we reviewed the Android Auto. Your only music choices were Play Music, Spotify, and Tune In Radio. So the more choices, the better. Especially with Android Auto and Apple’s Carplay included in many cars today in the 2020s.