It's the PS1 BiOS, add a game by remixing, then you're good to go.
Website: https://sites.google.com/view/playstation-on-scratch/PS1 Note - if scratch had a better pen system that wasn't pixelated, then you would see the HD SCE_ Logo. Credits - All credits go to SONY. & Guidelines: Don't claim "Sony" "PS" or "PlayStation" as your own property.