Tango Video Calls - Tango brings you free, high quality mobile video calls on Android and iPhone over 3G, 4G, and WiFi! It is an easy to use video calling service that connects people around the world in an exhilarating new way. Tell your family and friends ?let’s Tango? and have fun with video calling
Android 2.3.4 Software Update for Nexus S - This update allows you to video or voice chat with your friends, family and colleagues right from your Android phone, whether they are on their compatible Android tablet or phone, or using Gmail with Google Talk on their computer. You can make calls over a 3G or 4G data network (if your carrier supports it) or over Wi-Fi
TrueCaller shows you who is calling before answering if the number is not saved in contacts! TrueCaller is a mobile caller id in real time!
With TrueCaller you can also make manual reverse number lookups in more than 25 countries by entering the phone number. You can also save the contact to your phonebook and see the location on a map
LINE - Stay in touch with your friends and family with Line.
LINE is a free cross-platform group messaging service.
-You can communicate with many phones from just about any carrier.
-You can find and invite friends by phone number just like texting.
-Text with one person or with a group.
-Share photos and locations
Tango Voice & Video Calls - Tango allows you to make free phone calls and free video calls over 3G, 4G, and Wi-Fi. Make calls to any other person who has Tango installed on their phone or tablet. Start a Tango call with just voice, and easily move into a video call when you have something to share. It’s easy to use, it’s fun, and it works
NetQin Mobile Manager
1.Message filters, using your blocked list and keywords, remove the bother of spam messages.
2.The multiple call blocking methods for grouped contacts fulfill the various needs of your life and work.
3.Private Space completely protects the privacy of calls and messages between you and private contacts.
ShaPlus Mobile Info - This is a freeware to find the location (Region/state) and cellular operator of any given Mobile number (Indian numbers only). Mobile number can be either entered (at least first 4 digits) or can be selected from the mobile's contacts list.
This is an offline application, no need of internet connection(GPRS) to function
Caller ID Faker - Free application that allows you to: Fake your Caller ID, Change your Voice, Record your Calls, Prank Call Videos plus a lot more. Free calls are limited to 2 mins. Premium Minutes can be purchased. Works in USA, Canada; for the International version use BluffMyCall
Make free ooVoo-to-ooVoo video calls from your Android device.Up to 6-way group video calling for FREE! Over 22 Million people world-wide already use ooVoo for video chat and voice calls on mobile and the computer.*FREE video calls over 3G, 4G, and Wifi