I suppose that is probably true that a lot of very early stage startups may appear that way. That said, I've worked directly with them in Kenya and can attest to the fact that it's not and they are doing good work pushing this concept forward. If you have suggestions for other things that would help establish the veracity of things, do let me know.

While I can't say anything about GP's post, the Gjenge organization doesn't seem to be scammy per se. It pretty interesting to scroll a bit through their Facebook timeline and see another world [1].

One which seems to be heavily influenced by a European and Canadian conference / competition for African entrepreneurs. While there are some photos of 'plastic bricks', the products predominantly seem to be conference demos, especially the mobile app [2].

[1] https://www.facebook.com/gjengemakersltd/

[2] https://play.google.com/store/apps/details?id=com.noriega.g_...