It’s not easy to find a free VPN service which can supports mobile OS.Sailfish VPN works with all device that supports iPhone/iPad,Android,Windows/Mac OS and Ubuntu.
using PPTP with encrypt internet connection.Their IP server located at US and don’t have any limitation on speed.
You can try one day trial run for testing.go to here submit email address and click ‘APPLY’ icon.Then you will receive username id,password all information inside email that sending by Sailfish VPN.The set up tutorial can refer here .
The speed is quite fast during web browsing,support HTTPS connection,normal download and IM client (MSN and YM) connect well.
If you are satisfied free VPN service,you also can subscribe their monthly payment option.