Similar story, but for the mobile era: I knew an indie app developer who built a portfolio of early mobile apps. His top-earners were a coloring book app, bead

Similar story, but for the mobile era: I knew an indie app developer who built a portfolio of early mobile apps. His top-earners were a coloring book app, bead animal patterns, and a no-essay college scholarship app. Those three allowed him to pay himself and a partner salary and drop contract/client work.