If you use Android mobile you can download vpn/proxy apps from google play store. Such apps are there for others operating systems as well you may search. I am going to tell you the available apps for Android mobile.
Vpn One Click
https://play.google.com/store/apps/details?id=com.vpnoneclick.android&hl=en
Hideman VPN
https://play.google.com/store/apps/details?id=net.hideman&hl=en
Hotspot Shield Free VPN Proxy
https://play.google.com/store/apps/details?id=hotspotshield.android.vpn&hl=en
Best Free Proxy Apps For Android
http://techbeasts.com/2014/02/10/best-free-proxy-apps-for-android/
Vpn One Click
https://play.google.com/store/apps/details?id=com.vpnoneclick.android&hl=en
Hideman VPN
https://play.google.com/store/apps/details?id=net.hideman&hl=en
Hotspot Shield Free VPN Proxy
https://play.google.com/store/apps/details?id=hotspotshield.android.vpn&hl=en
Best Free Proxy Apps For Android
http://techbeasts.com/2014/02/10/best-free-proxy-apps-for-android/