While these devices may not be on the bleeding edge, HiSense's new Android smartphone, the U958, actually sports a 1.2GHz quad-core Snapdragon S4 Play processor (the MSM8225Q, to be precise).
The chipsets, MSM8225Q and MSM8625Q, are quad-core iterations of existing S4 Play chipsets and expected to make their first appearance in commercial devices in Q1 2013.
Just a couple of months back, Qualcomm had announced quad-core iterations of existing S4 Play chipsets, MSM8225Q and MSM8625Q, which are expected to make their first appearance in commercial devices in Q1 2013.