WiFi is a nice and latest technology which gives us many opportunity to our regular and important works. We mostly use it to access internet without any wire connection among the WiFi devices. But most of the people don't know some other interesting features of WiFi. It helps us to make free calling, chatting or large file transferring among the devices in which WiFi is available. Let us see how to make free calling or chatting.
N.B. 1. No need to connect with internet.
2. No need money to make call, chat or file transferring.
3. This app will use WiFi only.