Absolutely nothing, it offers crap and it is crap. Just there is standard set every mainland chinese uses (if they're not expats), I often see QQ, PPStream (whi

Absolutely nothing, it offers crap and it is crap. Just there is standard set every mainland chinese uses (if they're not expats), I often see QQ, PPStream (which at one point ran an open unauthenticated SOCKS? proxy to the world), 360 Antivirus/Suite (which is apparently awful), etc