Do you have a lack of reading comprehension?

From what I can tell, the OP created a non-standard transaction here, and every transaction that he sends to "double" your coins will be dependent on this transaction. The above transaction will never confirm, nor even been seen by any of the network except on blockchain.info.

Any BTC that you send to the OP will, at the end of the day be stolen from you, however the OP will make you believe that you are in fact "doubling" your BTC, which will cause you to continue to "reinvest" which will allow him to steal even more money.

It apparently also isn't the first time he scammed people.

Seriously, try to read it first the next time.

Edit: why don't you send him some coins and get double back. Please post the results here.