Otocast is an Android platform that offers narrated audio guides to help travelers explore and navigate their surroundings. The application provides audio commentary for each 'point of interest' by people who are well-versed with the location. This includes local residents, artists, architects, and other experts who provide insights into the history and significance of a particular place. Otocast enhances the travel experience by allowing users to interact with their surroundings in a more engaging manner.

The application is free and offers guides for various locations, including Westport, CT, Colorado Springs, Palm Desert, and Napa, CA. The audio commentary is well-researched, informative, and offers a unique perspective that is not available in traditional guidebooks. Otocast is a must-have for anyone who wants to discover more about their surroundings and make the most of their travel experience.