US Patent 7890724 System for code execution

System for executing software application is provided. The system includes a non-volatile memory device that includes a plurality of memory cells, wherein a read only segment of a plurality of memory cells stores: (a) code for a micro-operating system for running a virtual engine; (b) code for the virtual engine that provides a virtual environment, independent of a host operating system; (c) code for a virtual operating system that is executed in the virtual environment; and (d) code for a software application, wherein the code for the software application can be executed in different host system platforms in the virtual environment.