Need Help !

I need an APP or something else that is intended for business, such as a restaurant or a bar. The point of the thing is that people can give google reviews and request a gift that the company gives when you give the review. Example: 1. Scan the QR code 2. Give Google rating 3. Request a gift Then it would be great if the customers scan this QR code and save it directly as customer data so that the customer is always notified via Facebook Messenger or SMS when there are discounts or gifts again Example: 1. The customer has already scanned the QR code. 2. Customer agrees to receive notifications from the restaurant. 3. Restaurant can notify all registered customers of discounts or promotions via SMS or Facebook Messenger with a Text