Wolipay, is a mobile payment application that can be used to buy anything from anywhere. You can pay with cash, card, or the app itself. The app has a database of all the shops in Hong Kong, which allows you to find out the location and price of the product you want to buy. You can also search by the type of product you want to buy, or the category you want to buy it in. You can also add your favorite shop to your list.

The payment process is as easy as 1-2-3. You just need to install the app, and you can start using it right away. If you want to pay with cash, you just need to go to the shop and make payment.