Mobile data is what allows your phone to get online when you are far away from WiFi. We use data almost everyday to surf the internet, online businesses, browsing etc.

It's VPN (Virtual Private Network) . It is a connection over the internet from a device to a network. The connection helps ensure that sensitive data is safely transmitted. It extends a network across a public network and allow users to send and receive data across shared a public networks. It can be used to access region restricted website.

It connects your personal computer, smartphone,or tablet to another computer ( server) on the internet,and allows you to browse the internet using that computer's internet connection. It cannot be easily hacked.

See some of the apps below;