"Some customers" have requested to used their mobile for the scannng application?  These people cannot be  a company with many vendors, much invenory or as many customers as most of us using desktop. If they were and used  the scan feature like the rest of us, they would be screaming too. Your suggestion for people to use their phones (or the their employer would have to buy each employee a phone) is the most ridiculous thing I have ever heard.  Does Quickbooks want all their employees taking pics of their companies information with their personal phone and taking it with them when they leave the office? I hardly think so.  Come on. "pull your head out" and use some common sense!