Supermarket Cash Register funktioniert nicht

Supermarket Cash Register is a time management game, customers are in queue, waiting to pay money and get their grocery items packed.  Supermarket Cash Register is an educational and fun game where children learn to handle money at a shopping mall.  An experienced supermarket cashier knows how to operate the cash register serving the customers in time, so they don’t get angry on any kinds of delays.  In Supermarket Cash Register kids can learn how to handle money as cashier at supermarket.  But don’t you want to jump the other side & play as a cashier in your very own supermarket & learn how to operate the cash register.  Supermarket Cash Register starts with a manual machine you have to enter the price of each item and get the total of all.  Supermarket Cash Register is an educational game for young boys & girls.  Then accept payment via cash, credit card or through mobile NFC, and enter the total amount, followed by scanning the credit card or mobile!  Cash drawer will open and you can put the received money and return the balance amount to the customer.  You can upgrade your manual point of sale, with the automated one so you can scan each grocery item the customer brings to the counter, and ring up the price!  Kids can improve their basic math learning skills like addition & subtraction.  Have you ever been to the supermarket with your mom or Dad?  Tap on the customer to receive money.  It can help improve their math and calculation skills.  Do you love to do shopping at the grocery store?  Hey Kids!