Need vpn tunnel app (injector) android app similar to droid vpn

I need application similar to droid vpn You can check the application link Droidvpn : [login to view URL] Functionality that application should have similar to droid vpn. Subscription system Connection Protocol should be in this application: udp protocol ,TCP protocol ,http protocol. Ability of application: it should provide free internet similar like droid udp protocol ( for better understanding refer mode 1 )it is on droid app >>udp setting Project condition: I only award the project if the ability of developer . I would be more appreciate if you provide any demo of app .