avontell

With some help from others, it is also extendable to other platforms like Web and iOS

Identifies color issues, keyboard, and user interaction issues, etc... by building up a state diagram dependent on a user's simulated abilities. Generates a report based on WCAG 2.0 specs.

Automated accessibility testing for Android - both static and dynamic accessibility issues, all automated with little to no setup: https://github.com/vontell/Bility (all open source too)