Files of interest:
/files/avatars directory contains thumbnails of the profile pictures of contacts that use the app, and
me.jpg is a full-size version of the user's profile picture. The
me file contains the phone number associated with the account
The phone number associated with the account can also be recovered in
/shared_prefs/VerifySMS.xml file shows the time that the account was verified (in the Linux epoch format, of course), indicating when the user first began using the app.