Send it to lcdesignerforms@gmail.com and for more info please visit following blog http://createpdfform.blogspot.in/2015/02/pdf-guru-acrobat-and-lc-designer-forms.html
Yes, the ID is lcdesignerforms@gmail.com and more information on following bloghttp://createpdfform.blogspot.in/2015/02/pdf-guru-acrobat-and-lc-designer-forms.html
Master Page is like a Background for the display pages. Multiple pages can have single Master Page as a Background or Container.You can add more pages in your form by right clicking on the root node in Hierarchy Panel and then 'New Page'.
I am not able to fix your form, but somewhat i have acheived the query in a sample form.https://www.dropbox.com/s/dvn68wm3oybs43l/sampleNumToWord.pdf?dl=0Please check if that helps you.