YouTube-creator nikitozz showed GTA San Andreas cutscenes from a first-person perspective. Despite a few bugs, the game looks very impressive with the new first person view camera. For the video the author used the mod menu Zolika1351. This is a multifunctional trainer that allows you to launch cutscenes of the game and control the camera at will.
Perhaps this is how players with an Oculus Quest 2 headset would see GTA San Andreas, but there is still not a lot of info about development of the VR version of the game.