RPCS3 is asking handheld PC users for feedback as it works on improving the portable experience for its PlayStation 3 emulator. Planned updates include a redesigned in-game home menu, better button mapping, quick settings, and the ability to add games to Steam directly from the emulator.

source https://www.windowscentral.com/hardware/handheld-gaming-pc/your-handheld-pc-might-soon-play-old-playstation-3-games-better-heres-why-developers-want-your-help