I am also trying to amass citations on African science fiction. Liz Ng’ang’a wrote this article for Business Daily Africa, in which she cites John Akomfrah’s observation that

…since science-fiction narratives are usually about alienation, abduction and transportation, they provide a powerful understanding of the displacing of African people.

That—plus the African imperatives toward entrepreneurship and improvisatory technology—strikes me as an extremely fertile mix.