Add this following line to the "Additional Board Manager URLs",

https://github.com/ambiot/ambd_arduino/raw/master/Arduino_package/package_realtek.com_amebad_index.json

Then install Ameba D package from the board manager

Check here for the pin map,

and connect according to the code,

#define TFT_RESET       PA27
#define TFT_DC          PB3
#define TFT_CS          PA15

also BL/LED to Vcc