How do you create an app backend?

In Android Studio, open an existing Android application that you want to modify, or create a new one. Select the Android app module under the Project node. Then click Tools > Google Cloud Endpoints > Create App Engine Backend. In the wizard, enter the Project ID, Project Number, and API Key of your Cloud project.

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How do you explain app architecture?

An application architecture describes the patterns and techniques used to design and build an application . The architecture gives you a roadmap and best practices to follow when building an application, so that you end up with a well-structured app. Software design patterns can help you to build an application.

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