VPN Express runs on you MAC and does its job according to the plan you must buy: traffic in GB or days of use. The software redirects your traffic through 3rd party servers so you can browse, chat and download automatically. In order to use it, you need to click on autosetup button and the software automatically connects to the servers and redirects all your traffic from any application or service through those servers.
In the main window of the application, you can check various details regarding time spent only, traffic consumed, sites visited or established connections. Basically all you have to do is to select a location where you want to connect and then wait to connect and that's all.