I think one - hand fold should mean you can fold the stroller while holding your child in the other arm. (experiencedmommy.com)
It looks like a «true - one - hand» fold meaning you can actually fold a stroller with one hand while holding your child in the other. (momsstrollerreviews.com)
They need room to hold two children and this stroller holds children up to 50 pounds. (creditdonkey.com)