有没有人用过 copperhead os?

[woyaojizhu8]

https://copperhead.co/android/docs/technical_overview
这个 rom 看似在安全方面做了不少改进，尤其是这点：
“ App permission model including the ability to revoke permissions and supply fake data. Most permissions are based on dynamic checks for IPC requests, while a small subset make use of secondary groups.”
不知道用来对付国内 bat 之流的应用有没有效果。