Android: Reading another app's database?

Android will generally prevent you from reading another app's data. There are some exceptions, usually involving a rooted phone, installing with system privileges, or a single developer making two apps with the same UserID:

• http://stackoverflow.com/questions/6097135/is-it-possible-to-access-the-sqlite-database-of-an-android-app-on-my-phone

• http://stackoverflow.com/questions/11244212/how-to-read-database-of-another-application