Search 'fidget spinner' on Google, for a new way to waste your time :-D
To access the hidden feature of Google, you must search for the word “spinner” or “fidget spinner” on Google, the widget will be displayed immediately below the search bar.
As long as you search the correct word, the virtual rotator will appear on the mobile device as well as the desktop version of the search. However, it does not seem to work on all browsers: however I confirmed that it works in Chrome and Firefox, and Safari does not pull the simulation for some reasons that I don’t know. :-p
This is how It looks like: