Overview:
Google Analytics (GA) is a free service offered by Google that generates detailed statistics about the visitors to a website. (source)

How it works:
Google analytics works by writing a database file (google_analytics.db) in the applications /data/data folder.

Apps found to use Analytics:

Youtube.apk / Google Docs / Tapatalk
contains an “Events” table with what was clicked on by userID(?) containing the following columns analyzing text of what you click on:

Event_ID, user_ID, account_ID, radom_val, timestamp_first, timestamp_previous, timestamp_current, visits, category, acation, label, value, screen_width, screen_height.

Google Shopper
Contains a “hits” table including strings to /__utm.gif? that sends strings

utmwv – unsure (version maybe?)
utmn – unsure
utmcs= UTF-8
utmsr= 540×960 (screen resolution)
utmul=en-us
utmp=search string
utmac= analytics user id
utma = ???