The main function of the app is to submit the pdf form or fill-up the pdf form. There we can find that three counties pdf form is available, engineer will go to the clients house,they can check the taps pressure,condition etc. If it is ok,the engineer will give them fit certificate,if not they will disclose what is the actual problem in the tap. If needed they can change the product.
All this process done,after this engineer will complete the pdf from the iPhone by ticking and filling the field.
There user can also made e-signature also.
Engineer can email this pdf.
Its basically made for U.S.A.