Location Info is a free Android application developed by Granite Apps that is primarily useful for developers and testers. This app gathers location information from the device and displays it, breaking down the data based on providers and how the information would be accessed from the API. It is a simple yet powerful tool that helps developers to test location-based features and diagnose location issues.

The app also includes Activity Recognition data, which is useful for tracking the user's physical activities such as walking, running, or cycling. With this feature, developers can build better fitness and activity tracking apps.

Overall, Location Info is an essential tool for developers and testers who need to test location-based features and diagnose location issues. The app is easy to use, accurate, and provides detailed information about location data and activity recognition.