The initial panic around Android 11 and Dolphin was overblown. Yes, Scoped Storage forced a painful transition, but the emulator developers rose to the challenge. Today, running Dolphin on Android 11 is than Android 10 thanks to better GPU drivers and Vulkan optimizations.
The biggest hurdle on Android 11 is , which limits an app's access to files outside its own directory. This has several impacts on Dolphin: android 11 dolphin emulator