I am afraid that there is no one on this board that is qualified to answer the question as to whether this stock is a joke or for real. If it appears to be something that you might be interested in make sure that you do proper due dilligence before committing money. This same advice is good for any stock that you are looking at not just ETNL. This stock or any other is always a personal choice.
Have fun researching and best of luck to you on all your investments.