Each of the file formats have options to use them on a desktop computer.
            
            
                
                    
                    
                        MapTiler is a free app that can be used to view the smartphone MBTiles raster format.
                    
                    
                        MbTilesViewer is a free app that can be used to view the smartphone MBTiles raster format.  GPX tracks a can be imported and views but there is no functionality to create tracks in the app.