1、
需要 root
http://www.doc88.com/p-847633362717.html
http://bbs.gfan.com/android-3679297-1-1.html
需要 TUN驱动支持==>需要ROOT...
http://www.doc88.com/p-847633362717.html
http://bbs.gfan.com/forum.php?mod=viewthread&tid=3679297&extra=page/%3D1&page=1&%1
2、
无需 ROOT
http://it.zhaozhao.info/archives/44047
使用VPNService API
3、
http://tieba.baidu.com/p/2807796753