Do you think we'll see a Robo-Sol in Xrd? Would the PWAB have reason and the means to create such a thing? They could give him Order Sol's moveset, if OS couldn't return in the story.
Unlikely, since:
1. It was a VR simulation, not a robot...and the data would be over 15 years old by the time of Xrd.
2. Crow said (when Dizzy defeated the thing) that maintaining that data simulator device was way too expensive (most likely referring to it being Blacktech and its parts being hard to come by).
3. It was more reliable to just obtain combat data from Sol directly...much less Ky during the 2nd Sacred Order Martial Arts Selection Tournament.
4. It's more feasible to consider Robo-temkin as a likely replacement for the RK-Series since according to Crow Potemkin exemplifies loyalty...so it would be much easier to control a RP-Unit...
5. It's also feasible to consider a Justice Copy as being used once more (which makes sense if they plan on keeping her in the roster).
6. We just plain won't know until they reveal more.
For now you'll just have to content yourself to rely on the M.u.g.e.n. Fan-made versions of:
Robo-SolRobo-Ky (Prototype)Robo-Ky MK IIRobo-Ky MK IIIRobo-Jam
Since I'm fairly sure those exist.