The steps vary somewhat depending on your version of Android. Hopefully you'll find something on this page close enough that you can fill in the blanks and figure it out. If not, please email email@example.com and we'll try to help you.
- Launch the "Settings" app. *NOT* the "Google Settings" app--there is another one named "Settings".
- Look for the "Accounts" section and click Google.
- All of the Google accounts currently on the device are listed.