What I have answered to another member :
Some of the backtesting results have poor modelling quality and the lots are very wide, the brokers will never accept lot size over 100.
The backtesting is done on only 2 months.
The demo forward testing is generated on SigmaForex that has very tight spreads but that it is also a big scam from what we can read on Forex Peace Army !
My advice : avoid it. There is a ton of codes that could generate millions on a broker with such fake conditions...
You can still ask to the seller to put the code on a real broker to see what happens.