Means: "Handy Man" 1. They were the first to make stone tools 2. Their brain was about double the size of an Australopithecus brain 3. Our second-most ancient ancestors What I can infer about the Homo Habilis is that they were still very much ape-like, but still, you can see the evolution and change between Australopithecus and the Homo Habilis.
Sources: Becoming Human video, Homo Habilis: Documentary: Part 1