I'm new at this why do I need a printer what is it's role in my apps that it does what is is its function and purpose
Not quite clear what this app is going to perform that will be something easy to use and understand
I am not quite sure that I've understood your question. Could you please elaborate?
If you are asking about the purpose of the app, it is simple - to let you print on a variety of supported printers (over 4000 printer models).
Here is the list of printers supported by PrintHand app:
Aslo here is the list of supported portable printers:
Make sure that your printer is supported.
Also please visit www.printhand.com for more information and FAQs.