Yes, it is included! The complete Gameduino 2unit -- the one I am holding -- in the video is the shield attached to the 4.3" TFT screen.
Yes, it hooks up directly to SPI port on C13 on the Pi. And Raspberry Pi software support is done, so the GD library and samples/demos/games all run fine on the Pi.
Yes, all backers get the book as a PDF download.
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