PD-Proxy VPN Software is ment for Windows OS means Windows 7, Windows 8, Windows XP and all other versions of Windows.
PD-Proxy Accounts are only to be used in PD-Proxy VPN Software on your Computers.
PD-Proxy have also released their Software for Android Devices named Droid VPN which is similar like PD-Proxy but for Andoid Devices.
But the PD-Proxy Account which you have cannot be used in Droid VPN for that you have to seperately, and premium accounts for Droid VPN are separate.
Free user of Droid VPN can enjoy daily 100 MB of Bandwidth and can log in with only Demo Server, if you wants to extend means want to use it for unlimited than you wil have to subscribe for Premium Droid VPN Plan for which you will have to pay.
Premium Droid VPN will provide unlimited Bandwidth usage and you can log in to all servers in it.
One Disadvantage of Droid VPN is to Install it on your Andoid Device you will have to root your Device first or else you will be unable to Install Droid VPN Software on your Device, If your Device is in Warrenty and if you root your Device your Android Device will not be liable for the Warrenty.