Cute noble idea,
Though this is what I meant when I said Robotics has rendered many humans useless hence Ebola. The only useful people these days are the people who have the skills to make and control those robots. Ndambisa Moi would argue that the human factors aspect of development be intrinsic, that is be owned as much as possible by the community if it is to impact the quality of life. In most African cultures there is a communal aspect to construction of huts, as with other events like funerals that's the time communal bonding takes place as the locals help each other, learn teamwork and social responsibility. Changing societies is deeper than providing basics and must be accompanied by cultural advancement otherwise things fall apart as can be witnessed in most of the scrambled Africa.
Ps: habitat for humanity must love this...