Micrium OS is provided with a set of example applications. Example applications are meant to be used as a starting point to develop your application and are designed to be compile-able and executable (in most cases) as-is without modification.
Example application files can be found under the
The folder is organized by module and contains one main example file called ex_main.c. This example creates a kernel task that performs the basic initialization of Micrium OS and calls the example applications you added to your project. It uses the ex_description.h file to determine which example is present or not.