Quick Settings is a highly customizable all-in-one settings applications for Android

Always carrying your charger around? You don't need to!

JuiceDefender intelligently and transparently manages for you mobile connectivity and other battery-sensitive components, greatly improving battery life.

Grades2Go Mobile for Android is a companion app for Grades2Go Desktop, the first data platform designed specifically for teachers. Full info is available at mindsparkinc.com.

Much more than a gradebook, Grades2Go has extensive commenting, journaling, PDF reporting, and automated communication capabilities. With teachers under pressure for more accountability and results, Grades2Go is an indispensable professional tool.

Get the Telecom Circle (State / Metro) and the Operator of any mobile number by just entering first 4 digit of your Mobile Number.
See the call logs with complete information like Service Provider and Location of each call received.

Get the STD code of any city in India.
Get the ISD code of all the countries in the word.

THE ALL-IN-ONE SOLUTION TO SYNCHRONIZE AND MANAGE YOUR ANDROID* SMARTPHONE AND TABLET FROM A COMPUTER.

Connect your device over USB or Wi-Fi to synchronize (sync), backup, restore and manage all your personal data including contacts, calendar, text messages (sms), music, photos, videos, documents and more... directly from a computer.
You can also modify, update, transfer your contacts and appointments/meetings, send text messages (sms) using your computer’s keyboard.

Paperdroid is an offline article reading Android app that integrates with the excellent service Read It Later and/or Google Reader.
Found an interesting but long article while surfing in a costly internet point? Skimming hastily through your feeds for worthy posts? Just save the page to Read It Later (via bookmarklet, the Firefox extension etc.) or star it in Google Reader and have Paperdroid automatically download it to your trusty Android phone for offline reading pleasure - later.

Apn4Apps disables mobile data when the screen is off and enables it when the selected application starts to run on the foreground