Grok, an AI voice assistant integrated into the Grok standalone app, is now available for free worldwide on Android devices. Users can interact with Grok hands-free, enhancing accessibility and convenience. The voice assistant, sometimes referred to as Gork, has been noted for its intelligent responses, although some users have commented on its limitations, such as the need for a larger context length. The update marks a significant step in making AI technology more accessible to a global audience, with Grok being promoted as a smart and easy-to-use AI tool.