When Apple designed CarPlay for iOS, it decided to stick with a familiar paradigm: a home button that takes you to a simple home screen of icons. That’s not a terrible idea — the interface is simple and familiar to everybody, and you don’t want to be struggling with a touchscreen when you’re supposed to be keeping your eyes on the road.

However, think about the two main things you have on a car dashboard: you glance at a map and you control your music. Currently, in order to switch between those tasks you have to tap twice: once for home, and then again for the other app. That’s not a huge problem, but it does mean extra time looking away from the road. It also could be a hassle if you don’t recall where your music app icon is (or if…

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