Adafruit_GFX.h : https://github.com/adafruit/Adafruit-GFX-Library
Adafruit_ST7735.h : https://github.com/adafruit/Adafruit-ST7735-Library
SPI.h : https://www.arduino.cc/en/Reference/SPI
SD.h : https://www.arduino.cc/en/Reference/SD
F() macro : https://www.arduino.cc/en/Reference/PROGMEM
