The partnership is tied to Qihoo's Highlights initiative, which gives 3rd-party developers access to its security APIs. Qihoo claims nearly 100 apps now support the initiative.
Both Youku and Qihoo are doing well on mobile. Youku's daily mobile video views have topped 200M, and mobile now makes up over 30% of the company's traffic. Qihoo asserts 338M smartphones used its 360 Mobile Safe security app at the end of Q2.