How is the PCVR version enhanced compared to the Quest version?

The review is here: https://www.roadtovr.com/soul-covenant-review-quest-2-3-steam-psvr-2/ Quote: "SOUL COVENANT hoped to adapt the series' hallmark melee combat and colossal monsters into a VR-native experience, but its obsessive adherence to repetitive wave-based missions and cumbersome narrative make it feel more like it has two feet firmly planted in the flatscreen era, and not the immersive, first-person anime-inspired game many were hoping for."...

I can do most things with HTC VIVE Controllers. But assign the A button to the center of the pad,please! I can't backstep! and first mission failed. HTC VIVE コントローラーもサポートしていただけると幸いです。 殆どの操作はできますが、ステップを踏めません。 Aボタンはパッドの中央を押すように 設定されているアプリも多いです。...

In the INCENTIVE, Russian is in 2nd place and it is also an international language. A lot of Russian speakers play the game. There are many other languages, but there is no Russian. If it is added, more people will buy the game. I hope you will hear me and add Russian subtitles. Thanks!...

Is it really available only for meta quest and valve index ?