You can use your phone camera lens to do a google search by taking a picture of the item you want to search for.
Click on Google app
In the search bar to the right you will see the camera icon, click it.
You will now be prompted to take a picture of the object. Take a shot of the object by clicking on the camera lens button inside the Google lens area.
Finally, click a large search button that you are prompted to click and then your search results will be revealed.