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I need an app that is automatically synced to a cloud database. The app should also read QR codes that correspond to clients in the database and upload newly collected data to those clients in a simple database - prefer excel. In addition, I will need to have access to the cloud database to add new clients and a corresponding QR code (see attachment "Sample_Database"). Moreover, once the scanned QR code is confirmed the app should open to an interface that corresponds to the database fields (see attachments "Smartphone_Proto" and "Smartphone_proto2").