I don't think China would release an app, it's a country which highly values censorship and hiding information, why would they want ChaGPT like systems that aren't heavily censored / broken from entering the public sphere.
In which case, it wouldn’t even need to be censored, would it?
But, in this case, as already discussed in other threads, why not simply transform everything people write or say? They still get to see what they wrote. Others only see a cleaned up and supportive of the gouvernement version. And to that on texts, chat, social networks,… everywhere you can.
And suddenly, you actually are in 1984. Except you don’t even have to send the police, or beat up people: they’ll all be deeply convinced they are part of a very small minority. If not alone.
If you want a generative AI without any decency then make it yourself, but don't act like this AI is censored just because it communicates in the way that everyone in society does when they are not protected by the veil of online anonymity