title: What is the difference between the sources "google" and "google-play" in Firebase Analytics?
body: <p>I see the following install sources for my app in Firebase Analytics:</p>
  
  <p><a href="https://i.stack.imgur.com/GbbaT.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GbbaT.png" alt="Console screen"></a></p>
  
  <p>What are the sources "google" and "google-play"? What is the difference?</p>
  
  <p>"google-play" generates more revenue, but what is it?</p>