When someone said, contact me for free bot, it's like a scam attempt for me. Would anyone share or give their hardwork for free? When they have found best strategy for them to use and they just give it for free to all people? Doesn't make sense.
Your bot said it learned from history of bet and then trying to copy what the history happened, which is just coincidence that bot still on profit, we know we can't rely on history while we gambling.
Just make your common sense work and you would really be saving up yourself with these kind of attempts on where scammers are trying to victimized you.
In the sense that if something does work then they wont really be tending to share it up on public but instead they would spoil it out for themselves.
This had been a typical or casual situations when someones is tending to share up some bots or so called working strategies so we should really be careful.