To be direct: Nintendo has never released Mario Kart 64 on PlayStation hardware.
Mario Kart 64 on N64 originally used a mix of 2D sprites for characters and 3D for tracks, which can lead to visual "slippery" controls or frame drops during emulation compared to the PC-decompiled "Ultra" versions. How to Install (If using a PKG) If you have obtained a homebrew PKG for the PS3: mario kart 64 ps3 pkg better
Here is the important information regarding "Mario Kart 64 on PS3": To be direct: Nintendo has never released Mario
If your experience is laggy or broken, here are the fixes: mario kart 64 ps3 pkg better
Some older PKG versions suffer from black boxes around sprites (like the trees or the monkeys). To fix this, ensure your PKG uses the GLES2 video driver settings if available.