This APP needs an access code, request it from ARMINET S&W, S.L. if you are a client of Sinlib Libraries Software Consult your Sinlib books, suppliers and clients. Sales and returns for integrated fairs! Book sales, cash control, sending tickets by e-mail, even sell books that are not in your database! It allows to work with external barcode readers (USB-micro adapter and USB OTG support required on the device). Integrated vendor book returns. Work completely offline, and when you have int