On the PS4 I had to wait little while because for console won’t play PS1 2 & 3
Unable to play all PlayStation formats they not compatible on new console it only play New PS4 games.
For Xbox one same thing too just only plays Xbox-one not old x-box & 360 games not fully compatible.
I had all video games collections on PlayStation 1 & 2 and old X-box games.
I’ll stick with my PlayStation 3 & my Xbox 360 for now Until Microsoft Sony well come out newer
Console's fully compatibly all newer games & older games as well.