Help Needed: Android Car Infotainment System

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http://androidforums.com – Hi, I'm newbie on the Android and recently bought a car in CHINA and it came with a Android powered dvd/navigation/fm/player/etc. I have it already connected to a Mobile WiFi over the China Mobile via a USB WiFi Dongle and downloaded some apps. Some apps I use are blocked in china (TuneIn Radio, Pandora, etc), and i'm looking for a way to have a VPN on it. The thing is that the manufacturer of the device removed the VPN network settings, so I can't connect (or it is absent on the Android 2.3.4 ) Question: is there a way to install some kind of VPN Client on this android? I already (General)