Such things are absolutely not crypto-currency. This is just a game nothing more. A greater fool game to be more exact.
if you know what to do you can make big money out of such coins in a short time.
I already did with latium and stellar back in the days.
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
Well, then no, I do not know one. I think I never gave a big attention to those coins since I can not bring anyone...
![Sad](https://bitcointalk.org/Smileys/default/sad.gif)