When I first saw this, I thought 'scam'. But then I saw the myLot logo, which I am currently using and I do trust myLot. But of course after some researching, it seems that US users will earn the most money, while people from other country will earn less.
In short, Cashgopher replaces advertisements on certain websites with their own. Thus, you are getting paid to view their advertisements. An example below.
Go ahead and give it a try here! No harm trying.