It's seemed more of a test bed, for something they plan to do together with the PS5
> not fully released to be played on phones/ipads etc in all areas
Yes, the feature set is different. But, again, debuted in 2014. And it is available on PC, which shows that at least it's somewhat cross-platform.
https://www.playstation.com/en-us/explore/playstation-now/ps...
>June 30-Sony Computer Entertainment has agreed and signed an agreement to acquire Gaikai for about $ 380 million [12].
that statement is in the playstation now jp wikipedia page.
also there
>In addition to PlayStation 4 (PS4), it is a cloud-type game service provided to various terminals, and was officially announced under the name “PlayStation Now”. PlayStation 3 (PS3) games will be provided using the technology of SCE subsidiary Gaikai
Just transalate the playstation now japanese wikipedia page for more info.