i can't really understand what exactly should i do can somebody explain it to me
The main goal is to make money by buying and selling gold. You can either buy real or fake gold directly or without risk on the right-hand side, or buy mystery gold on the left-hand side, which is equally likely to be real gold or fake gold with different sell values. As time goes on you can upgrade your gold detector to give yourself a better chance of getting real gold when you buy mystery gold.