With more and more companies including Facebook and Microsoft, coming to android with their beta versions of apps it only seems fair when the maker of android enters the trend. The good news is, Google has begin to test its beta app.
How to install:
1. Head over to this LINK
2. Now as you used to do for others, click on become a tester like the screenshot below.
3. Now head over to play store and a google app update must be awaiting you, if its not possesses patience a while.
PS: If you occur to encounter any problem, please do comment below.
Thank you.