Google Play Services for AR is a service that is automatically installed and updated on supported devices. It allows users to access augmented reality (AR) experiences that are built using ARCore. The automatic updates ensure that apps with AR functionality can work seamlessly without the need for an additional download. This service was previously known as ARCore and offers new ways to shop, learn, create, and experience the world together.

When using Google Play Services for AR, users are required to agree to Google's Terms of Service and Privacy Policy. This service is considered a "Service" as defined in the Google Terms of Service, and the terms regarding software in Google's Services also apply to its use. It is important for users to review and understand these terms before using the service.

In summary, Google Play Services for AR is a service that is automatically installed and updated on supported devices. It allows users to access AR experiences built using ARCore without requiring an additional download. By using this service, users agree to be bound by Google's Terms of Service and Privacy Policy.