1.1 Home
This is the screen where the application starts.  You have the ability to select one of three PPDM models.  The first screen here shows the screen without a model selected by the user but with default model (PPDM Lite 11) loaded.
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To review a model, say PPDM 3.8, tap the line 'PPDM38' as shown here:
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At any time, if you want to change data models, simply select the 'Home' icon, select your new model and continue your data model discovery.  
Also available on this screen is an information screen (top right "i").  Pressing this button will change the screen to this:
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This is a scrollable list that briefly explains some of the capabilities of the app.  If you press the button 'Check out dataMatters.com', a web browser will startup, going right to this site.
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This web browser has full zoom and pinch capabilities.  This will only work if you have wireless access to the Internet.  When you are done, simply press the 'Done' button and you will go back to the previous screen.