There are many scam projects nowadays, while in some cases a mere look at it will expose the truth and in some you need to carryout an indepth research to finding out the truth. Also, when most people call a project scam with enough proofs and it tends to be true, then that project should be avoided, there will also be better ones. Looking at the website, a very key or Important Informations was missing, that is, about the team and how to know more about them, that is to say, they are probably hiding their identity. In my own opinion, I would suggest your sister go for other promising coins so as to avoid bad stories that touches the heart.