If you want to learn more in depth about how Proton works I suggest you to ask here on [GloriousEggroll's Discord](https://discord.gg/6y3BdzC.
For emulation, X360 and PS3 needs intense resources and their emulators may be in an early development state; look back to the previous generations, maybe with a cool megabezel shader on RA.
Thanks! I was looking for something like this ๐