The "Open and Secure Terminal Initiative", or OSTI specifications have been released by NTT DoCoMo to allow OS or applications to be added.
In this demo Linux, which is running as the Operator stack, is monitoring Windows CE running as the Enterprise stack where users can download applications.
This demo was presented during Microsoft Mobile and Embedded DevCon 2007.
The scenario is a WindowsCE secure update, with verification of keys, signature and rights.