You can delete apps on Google Chrome by heading to the "chrome://apps" menu, where all of your apps are stored.
You can delete your Google Play history at any time, which will remove all of your past searches, and free up space on your phone.
Ahead of this year’s mobile deprecation, the Google app is no longer providing a link to Assistant settings. In recent weeks, we’ve noticed that Google app (version 16.12+) > top-right corner profile ...