[kolikotime]

Certain countries are more open to this than others. It'd be tricky to start such a business in West Africa but Kenya in particular is a big tech hub which has quite many Western expats playing a role in it. Kenya would be my pick for where you could do something like that and not be seen as weird/not welcomed.

In other African countries the racial context would prevent it (Southern African countries) or they're more protectionist(Anglophone West African states).

I could also see Uganda and Rwanda also being quite welcoming of such an effort as they're making big moves on trying to grow their tech sectors. The latter two are repressive dictatorships though politically. Economically and socially however the people are largely free. Kenya by comparison is a deeply messy and perhaps perpetually corrupt democracy.