In short
The Driving Routes Android app runs on Android 10+. Sign in with the same email you use on the web. Android Auto is supported on every paid plan.
Frequently asked questions
Where do I download the Android app?
From Google Play — search 'Driving Routes' or visit /android.
What Android version do I need?
Android 10 (API 29) or later.
How does Android Auto work?
Plug your phone into your car's USB port (or pair wirelessly). Driving Routes appears on the car screen — start a route from your phone or directly from the car UI.