Shortcuts (all systems except psx)

Save State - Menu+L1
Load State - Menu+R1
Save & Quit - Menu+Start
Toggle ff - Menu+L2


Per system video setting
----------------------------

GB

Emulator:
GB Colorization - Internal
Internal Palette - GB - DMG
Interframe Blending - LCD Ghosting (Accurate)


GBC

Emulator:
Interframe Blending - LCD Ghosting (Accurate)


GBA

Frontend:
Screen Effect - Grid

Emulator:
Use BIOS Files if Found (Restart) - Enabled
Skip BIOS Intro (Restart) - disabled
Interframe Blending - LCD Ghosting (Accurate)


NES

Frontend:
Screen Effect - Line


SNES

Frontend:
Screen Effect - Line


Game Gear

Frontend:
Screen Sharpness - Crisp

Emulator:
LCD Ghosting Filter - Normal
No Sprite Limit - enabled


Neo Geo Pocket Color

Frontend:
Screen Effect - Grid
Screen Sharpness - Crisp