Titanium Backup is one of the most powerful Android security apps out there. It boasts of 5 million users, and is available in over 28 languages. This app helps you to back up all the apps on your Android device, as well as market links. Titanium Backup also provides additional functionality for removing bloatware.
The professional version of this Android security app offers the ability to add or rename existing filters. The GUI is well designed and very user friendly.