Open "Settings" and click "General"

Now select "Network"

Now select "VPN" menu

Here you must click "Add VPN Configuration" and create new VPN profile

There are some fields to be filled before you finish last step.

Description - brief description of connection (as bg-vpn.net)

Server - for bulgarian connection the server must be - bg.bg-vpn.net, and for german connection - de.bg-vpn.net

Account - this is your username registered in our site

Password - this is your password registered in our site

Encryption Level - must be set to "Auto"

Send all traffic - must be "ON"