BKRGB which was a signage platform I built last year with a partner and sold and ShaiSoft, which sold networking library software that I sold in 2002. I'm not rich because of it but I have tried and succeeded.
It's interesting how you belittle me because my numbers aren't big enough on the Brabble app. If I had bigger numbers could I criticize then?
By the way, I've also made iOs apps that barely get any ratings.