hay guys im new here but i hope i can help here, so i tried so many games for ps4all and this my list of games

Destrega - slow but playable (85%)
Digimon Rumble arena - slow but playable (75%)
Driver - medium (90%)
Gran tourismo 2 - fast but not really fast (95%)
Jade cocoon - fast (96%)
Nascar Rumble - at start of the race slow but after that become fast (96%)
need for speed 3 hot pursuit - fast but not fast as nascar (90%)
one piece grand battle 2 - medium speed but playable (85%)
Pacman world - fast playable (97%)
PoyPoy - slow but playable (80%)
RPG maker - fast (90%)
Spyro 2 gateway to glimmer - slow at first bur become fast (92%)
tom and jerry - fast but theirs a prob. on the background graphics (90%)
Tony hawk pro skater 4 - fast (97%)
worms armmagedon - fast (95%)
Digimon world 3 - very fast (98%)

thats all ive downloaded thats worked on my psx4all =D