Facebook is a social-media application with more than 1 billion downloads from Google Play.
Package name: com.facebook.katana
Version: 25.0.0.19.30
Files of interest:
/files/video-cache//cache/images//databases/bookmarks_db2contacts_db2nearbytiles_dbnewsfeed_dbnotifications_dbprefs_dbthreads_db2
The /files/video-cache directory contains videos from the user's newsfeed, though there does not appear to be a way to correlate them back to the user who posted them.
The /cache/images directory contains images from the user's newsfeed as well as the profile photos of contacts. This directory contains a multitude of other directories (65 on our test phone), and each directory can contain multiple .cnt files. The .cnt files are typically .jpg files or other image formats.
The bookmarks_db2 database is a list of items that appear on the side of the user's newsfeed, such as groups and applications. Many of these bookmarks are automatically generated by Facebook, but...