1. Intuitive and optimized operation interface
2. One swipe to browse many selected products
3. Send reminders when products are out of stock and ready to pick up
4. Real-time push broadcast of promotional activities
5. Safety first: credit card payment with the highest level of encryption Function
6. Multiple payments: supermarket pick-up and payment, online credit card swiping
7. Use "mobile phone number" to join the membership
