1. TasKiller / Advanced Task Killer
Taskiller kill the apps in background and helps to save your battery.
TasKiller let you close (kill) your running applications in one click. You can also switch between apps.
2. App 2 SD
App2SD helps to save internal storage of phone by moving apps to SD card.
App2SD helps to save the internal storage of phone, very easy to use!
3.1Tap Cache Cleaner Free
1-tap to get more available phone storage by clearing apps created cache files
Are you running out of application storage?
Yes, you now can get more available storage space by clearing apps created cache/data files.
4. Android assistant
Top 12 features to help you easily and efficiently manage your android phone
Top 12 features to help you easily and efficiently manage your android mobile phone
This tool software can help you to kill process, free memory, speed up the phones running speed, save power, to help your phone more efficient, stable work.
Lg Optimus One P500 