We in the West have no idea what problems they have and what technologies would be applicable.

I would rather see an exchange program. trade groups of founders for 6 months at a time.

A successful African developer might have some ideas on a product for rural Americans with poor broadband, or populations that do lots of shopping at small markets rather than grocery stores, or organizing ride shares, or getting low-availability clients to get vaccinated.

Lots of things in America are diminishing in quality. We aren't anywhere near third-world status, but we can learn a lot from the people who have made things work in those badly managed systems.