The Mobile App Behavior reports provide data for:

  • How many downloads were referrals from friends
  • In-app user satisfaction ratings
  • Details about how users interact with other users of your app
  • Interactions such as screen views, exits, and crashes

The correct answer is:

  • Interactions such as screen views, exits, and crashes

Explanation: The Behavior reports help you discover how users interact with your app. You can use these to track a wide range of information about your users, including:

  • Total number of screens seen per session
  • Order in which screens are viewed
  • Number of technical errors, including app crashes
  • How long individual app elements take to load

Read more here: https://support.google.com/partners/answer/6209187