S60 example MIDlets delivered with the SDK are located by default in the following folder after SDK installation:
<Nokia_N97_SDK_installation_directory>\S60MIDPExamples\
Instructions on how to build and run the example MIDlets, as well as full list of example MIDlets provided with the SDK can be found at:
<Nokia_N97_SDK_installation_directory>\S60MIDPExamples\docs\examples.html