GPS Track Viewer allows you to view KML, KMZ, GPX, CSV and NMEA files on a Google Map. It supports Standard, Terrain, Satellite and Hybrid mode. The app registers for the supported file types and can be selected in all popular file managers as viewer. The following extensions / formats are supported: KML & KMZ. Gpx. CSV (Latitude and Longitude columns needed). NMEA and TXT.
FlashLight developed GPS Track Viewer that falls into the Tools category. This application has been downloaded and installed by over 10K users and its latest update was released on Sep 23, 2020. Users rated the app 4 on Google Play.
It's free to get the .apk file of GPS Track Viewer and you can take a look at users' reviews on Droid Informer. This application installation package requires 2 MB of free space to work fine on Android 4.0 and above. The security report shows that the app is completely safe.