This is available! Check out retroarch (or retropie if you have a pi 3 or 4 laying around) - it’s pretty great! Lots of shaders to choose from but pi-crt has a

This is available! Check out retroarch (or retropie if you have a pi 3 or 4 laying around) - it’s pretty great! Lots of shaders to choose from but pi-crt has a similar look to this and performs well