over 100 KB RAM available for video and audio buffer.1-bit / 4-bit SD bus can connect SD card in native protocol.
Theoretically it can push 320x240 16-bit color pixels to SPI LCD at 60 fps, but it has not yet counted the time overhead required for read and decode the video data. 4 SPI bus, 2 SPI bus available for user space, they are SPI2 and SPI3 or called HSPI and VSPI.