In China, a country that leapfrogged the PC era to go mobile-first, the smartphone is the “remote control” of people’s lives… especially given the dominance of messaging/operating-system platforms like WeChat. But this is about more than just WeChat, Alipay, and others — it’s about online-to-offline commerce in general (and the viability of on-demand marketplaces there); the past, present, and future of QR codes; and new forms of social-mobile communication, from livestreaming to stickers to even VR cafes as a vector of early adoption…