Android invoice with optional barcode scanner - readymade

Hi, I have an already existing invoice application where the items can be added,select the payment mode ( cash,credit or cheque) and enter the details of the company or client (Company Name, Employee Name,Postion ,Email and e-signature) .It will generate an invoice and send it to the email of clients and other email mentioned in the setting. If interested let me know I can send you sample screen shots of the application

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