and they send me the LCD and free a board named Golduino ???
Are you not sure whether they did, or not? How are we supposed to know?
Who are "they"?
and in their website there is a toturial to program the board with arduino ide...
And that site is?
More info about this board ?
Is probably on the website you didn't provide the URL for.
code ?
Is probably on the website you didn't provide the URL for (in the tutorial).
or I send it to trash ?
Why would you do that? If you don't want it, offer it to someone here.