title: What are custom variables in google analytics how to use them in android app
body: <p>I am already using custom dimension in google analytics but google analytics dashboard shows custom variables as well. There is no documentation how to create custom variables and how to use them and how they are different from custom dimensions
  <a href="https://i.stack.imgur.com/5PG4e.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5PG4e.png" alt="Following is dashboard image showing custom variables"></a></p>