This will speedup your phone and save battery life...because some of it running at the background.
Save to DISABLE android Jelly Bean application list.
How to Disable it?
1. Goto Settings > Application Manager
2. Goto [ALL] tab
3. Select app to disable/uninstall
4. DONE!
Disable it. Enable it if you would like to use it later.
Note:
-To completely uninstall it use Titanium Backup