Android applications you should have are as follows :
DU Battery Saver : It is an application which extends phone’s battery life.It finds the apps consuming more battery and then solves battery problems by the “Optimize” button.
True Caller : It helps to know about the person who troubles you bk making prank calls.All you have to do is to enter the phone number and then you will get details of that person.
App Cache Cleaner : It helps you to clear the cache memory of the Android device with just one single touch.
UC Browser : It is the fastest browsers which navigate through voice commands
Facebook : It allows you to communicate with friends and family.