Trailblazer is a free and easy-to-use track recorder that can be used for hiking, running, cycling, and other outdoor activities. This Android app supports all Android phones from Android 4 up. The app is open source and doesn't contain any ads, so it's completely free to use.

With Trailblazer, you can start, stop, and pause a track, view your track on a map, manage your archive of tracks, and share tracks with your friends. You can also export and import tracks in GPX and KML formats and import from KMZ. The app provides statistics for each track, including distance, speed, ascent, and more. You can also compare, export, and delete groups of tracks.

Although the app has limited resources, the developers have plans to add more features to Trailblazer in the future. The app will soon allow users to save statistics to Google Sheets and integrate with Google Drive. If you want to contribute to the app, the developers welcome your help.

Overall, Trailblazer is a great app for outdoor enthusiasts who want to track their activities and share them with friends. It's easy to use and completely free, making it a great choice for anyone looking for a simple track recorder for their Android device.