Android VPN Client

I need a full function VPN Client for Android according to the attached detailed specifications. The software should be portable. - The intent is to create a VPN Client for the following Operating Systems: Android 4.x -5.x - The software should support OpenVPN(both TCP and UDP) protocols. and IPSEC XAUTH PSK protocols (if possible) - The software should support automatic updates - The software should support internationalization. I.e. All fixed text should be translatable and loaded from a text file using industry standards . - The software should be stylized. I.e. all aspects of the look (fonts, colors, icons, logos, URLs, etc.) should be able to be easily modified. The expectation is that these will be defined in a configuration file that is installed with the executable. - The final deliverable should include: - Source Code - Initial Configuration file - Language file for English - Executable for Android OS - Installer for Android OS - Instructions on how to build the executable for Android OS - Instructions on how to build the install package for Android OS Along with your bid amount, please indicate what development tools will be used (language, RAD, libraries, etc.) Regards