That 36 MB/s has to be sustained from PSRAM to the LCD DMA, while the CPU (and LovyanGFX, used for graphics) are also writing ...
TinyML is an incredibly powerful piece of software, and you can easily train your own model and deploy it on an ESP32.
This library allows you to make the ESP32 act as a Bluetooth Mouse and control what it does. E.g. move the mouse, scroll, make a click etc. The BleMouse interface is almost identical to the Mouse ...