Apple has launched ApplePay in China:

You can now support Apple Pay for your customers in China, providing an easy, secure, and private way for them to pay using their China UnionPay credit and debit cards. Apple Pay lets users buy physical goods and services within your app without having to enter payment or contact information.  Learn more.

The O2O market in China is massive, and if Apple release a Venmo-like service for Apple Pay, this could change the way people do business.