Link2SD - Link2SD is an application manager that makes it easy for Android 2.
Greenify - Greenify is a mobile app that gives you greater control over your Android device's power usage, allowing you to get a lot more mileage out of your battery life without having to constantly plug it back into a charger.
App Mgr III - Move your apps to the SD card to free up space on internal memory.
DU Battery Saver - DU Battery Saver, get up to 50% more battery life for your Android phone. Battery Saver learns how you use your phone, then creates smart profiles that match your settings to your needs while getting more life from your battery.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Battery Saver - Battery Saver is a perfect tool for those smartphone users who always remain worried about the health of their phone’s battery.