1## 9.2\. UID and Process Isolation 2 3Device implementations: 4 5* [C-0-1] MUST support the Android application 6sandbox model, in which each application runs as a unique Unixstyle UID 7and in a separate process. 8* [C-0-2] MUST support running multiple applications 9as the same Linux user ID, provided that the applications are properly signed 10and constructed, as defined in the [Security and Permissions reference](http://developer.android.com/guide/topics/security/permissions.html). 11