once you have some start in place, run it using:
/c/downloads/python/google_appengine/dev_appserver.py [options]
/c/downloads/python/google_appengine/dev_appserver.py .

http://localhost:8080/

#for a different port:
/c/downloads/python/google_appengine/dev_appserver.py --port 8081 application/