Android security is provided only by the Android kernel

Android security is provided by Android applications from the Google Messaging Services

Android security is using ARM Trustzone

Android security is using Linux UID and GID for applications

Android security for applications is using keys provided only by Google

Android security bulletins are provided by Google

Android security is evaluated by Common Criteria

Android security is provided only by the Android user-space

Android security is using Linux UID and GID for users

Android security bulletins are provided by ANSSI

Android security is using SELinux