Yes, but it is disabled again on every restart. I used the CC2 software on my Joying sc9853i and enabled GoogleAssistant again (and again and again) using a "boot script" that started with 30 seconds delay. Next to that: all voice "actions" are directed to T'eyes voice which is hugely annoying. Even with GoogleAssistant it is still hugely crippled as T'eyes defaults in everything to T'eyes voice
Also: It is really a demotivation strategy from T'eyes as you can't use any voice software (without hacks), even not T'eyes voice itself, if you did not activate T'eyes voice either. T'eyes is another supplier that does closed-source, protective actions on their hardware. Something many people blamed Fyt/Joying for. T'eyes even takes it a step further. But they do deliver a nicer looking product with good support. And they need to feed their family as well.
So I reflashed my Joying firmware again to my Joying unit.
I use CarWebGuru (paid) as launcher, GorillaSoft folder music player pro for music, Magic Earth (90%) and OsmAnd+ (10%) for navigation, and DAB-Z for (DAB) radio. I hardly even see the other software behind it and even removed some. Why would I install good looking radio, music, video apps if I don't use them anyway. And I don't see added benefit of T'eyes voice over Google Assistant, be it that Google Assistant does not make calls on my Joying unit.
Everyone should decide for him/herself, but don't cripple you unit only for good looks. But that's my point of view and you can decide for yourself.