Gearbox of WS-10A is beneath the cowl, so WS-10As are only suitable for J-10 family.
Right. WS-10B2 is designed for J-10 family, though it is not mature yet.
WS-10IPE
It is the first flight test of the Hypersonic Vehicle Technology Project, which took place in June 2011. This vehicle is propelled by scramjet.
The one thought to be first flown in January 2014 is a non-powered hypersonic gliding vehicle.