To accept payment:
Select "Point of Sale", On the homepage of the Qashier App,
Enter the amount for the transaction.
Choose the customer's payment method.
For VISA/Mastercard payment, they must tap their card on the payment machine when prompted as seen below:
Note:
By pressing the middle or right button, you may exit the Qashier app. Re-open the Qashier app by clicking on the app icon as shown in the screenshot below.