Main functions：
1.Merchant can use “Scan QRcode” or “Show QRcode”complete payments easily.
2.Use APP can view real time transaction records and details.
3.Provide voice alert for each successful payment.
Main functions：
1.Merchant can use “Scan QRcode” or “Show QRcode”complete payments easily.
2.Use APP can view real time transaction records and details.
3.Provide voice alert for each successful payment.