The Normal Way of analyzing Application Engine objects is done by viewing the program flow tab in Application Designer.
Analyzing more than one Application engine becomes a challenge.
I would like to thank toolbox.com for PeoplecodeViewer tool which was a base for this development.
Refer link to know more about it.
This tool will help you to analyze ‘N’ number of Application Engine in just one html file.
This tool will work on the Project folder XML that has the Application Engine objects and applies the styles from XSL file and create an HTML file with the objects listed.
Refer the below document that clearly lists the steps to use this tool