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Not all applications optimized for large screens can be downloaded to cars. In particular, ARM applications will not be supported, as many cars are equipped with x86 chips. In addition, Google is focused on integrating apps in the video, gaming, and browser categories.
Another limitation for Car Ready apps on Android Automotive is that they cannot be used while driving. These apps will only be available when the car is parked. This decision is explained by the fact that the applications are not yet fully optimized for use in cars and may pose a danger while driving.