1. On main menu, tap on a product to add it to shopping cart. Every tap adds a unit of the item.
           To add large quantities at a time, long press on the item. A field opens that allows you to enter the exact quantity of the item customer needs.
2. Tap on orange CHECKOUT button at the bottom, that takes you to the shopping cart. 
3. Click on the CHARGE button at the bottom. 
4. You will be asked the mode of payment, card or cash. Tap on CARD
5. Follow the on-screen instructions to complete payment
   1. The app connects to the card reader, and prompts you to insert card. Present the card reader to your customer to insert their card
   2. Customer enters their 4-digit PIN when prompted
6. ZirooPay app processes the payment, and you get a green APPROVED screen
7. Enter the customer's email or phone number to send an e-receipt.