I've been to "ChromStore", to bappify.com, Google Help & Chrome Upbeat(?) ALL of them say "to install on your desktop do..."
Really need to view my recent responses 1st. It's such a pain / time waster to read thru last month's outdated, unrelated responses.
Often, ie.- today- I can't find the last response I "KNOW" I just read 2 days ago. I must switch to "All mail" & sift thru, FB, promotions, etc. I finally found it-put it bk in "primary inbox."