Despite the arm processor in the cart it barely helps with the kernel and game code in most games. Typically they are older not so powerful Cortex M0 and it is

Despite the arm processor in the cart it barely helps with the kernel and game code in most games. Typically they are older not so powerful Cortex M0 and it is largely tied up emulating the cartridge hardware. It can give modest gains when doing the kernel but most of the fancy graphic kernels are designed as they always have been - with a lot of deep human thought.