What is a recommended best practice for the use of taglines in your Google Play store listing?

Only change your app’s tags if you make significant changes to the content or functionality of your app.
Include at least eight highly searched for tags in your tagline to draw your widest-possible audience.
Include at least six partially related tags that are similar to genres that might attract similar interest.
Change your app’s tags regularly to draw new attention to the content and functionality of your app.

The correct answer is:

Only change your app’s tags if you make significant changes to the content or functionality of your app.