Mintaton Merchant

a. New option of scanning QR code to give/receive points.b. Queuing feature in "Give Points" module to improve robustness.c. Landscape mode support.d. Added "Visible To Customers" and "Not Visible To Customers" modules.e. Added "Add New Customer" functionality for giving points.f. Added two new fields "Equivalent Points" and "Max Number of Points" for transactions to receive points in order to receive partial payment from customers.g. Resolved payment issues.