Visually impaired users struggle with intricate software UIs that screen readers can't fully interpret. A tool that acts as a 'seeing-eye dog' for computers could bridge this gap.
Build an overlay that provides enhanced screen narration and navigation shortcuts for common apps. It could learn user workflows over time.
Enterprise accessibility departments or individual users would pay for better tooling. A license model makes sense.
Start with support for a few major apps like Excel or VS Code. The risk is competing with built-in OS accessibility features.
The biggest risk is integration complexity with diverse software.