Security Enhanced (SE) Android is a project to identify and address critical gaps in the security of Android. Initially, the SE Android project is enabling the use of SELinux in Android in order to limit the damage that can be done by flawed or malicious apps and in order to enforce separation guarantees between apps. However, the scope of the SE Android project is not limited to SELinux.
You can download it from the following link: https://packetstormsecurity.com/files/download/108737/caseforseandroid.pdf
Source: https://packetstormsecurity.com/files/108737/The-Case-For-SE-Android.html