In need a simple solution to manage a loyalty system for 14 difrent Beauty Salon. is a association that wants to use in commun PVC card with barcode ID. 1.What is simple solution to create a app for selling and to manage loyaty sistem ? to run in online/offline mode Loyaty card is commun but selling is privat for each store. 2 .Is posible to save on local selling and to upload just loyaty information ? 3.Is posible a simple encryption for seling data ? 4.What arguments and solutions that can be useful for the client to be convisn that nobody sees sales data ? -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at http://groups.google.com/group/google-appengine?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
