With what you cover in Step 5 onwards I wouldn't like to hazard any guess as to what might be wrong. I just wanted to check that you are using the SSL for mobile layouts.
Check the sample projects where you will find basic instructions for generating a mobile app. Click Open on the RoboHelp Starter page and then click Samples in the ribbon on the left.
See www.grainge.org for RoboHelp and Authoring tips
