Unlike its predecessor, System Center 2012 now comes with the complete suite of datacenter and cloud management tools. You will get the complete set of components in both Standard and Datacenter editions:
Endpoint Protection and App Controller are new components introduced with System Center 2012. To learn more about System Center 2012 licensing, visit the below TechNet site which showcases a video in explaining the licensing in System Center 2012.
System Center 2012 Licensing - Microsoft TechNet Home Page
Ken Sim, Technical Evangelist, Microsoft Corporation