The idea sounds feasible but you need to flesh out your requirements a bit more to be certain.
Driving a 8x8 monochrome LED matrix is easy using a MAX7219 and you can daisy chain them together to drive 4 or more matrix displays.
Capacitive foil needs a bit more explaining as there are several ways to read this. Post links to the foil your hoping to use or explain it in more detail. Is it a strip/sheet. Does it have/need a controller. ETC.