Speedometer app "GPS Speed Graph"(Free) is the professional edition comes with the GPS logger features.
-GPS Logger supports GPX, KML, CSV.
The logs are stored in SD card.
-Log data can be viewed with GoogleEarth(GPX, KML), Excel(CSV), etc...
-Other features like Free Edition.
Tested on HTC Desire, Galaxy Nexus, and Nexus 7.
Tags: kml speed graph , gps speed graph , gpx speed graph , gps speed graph plus , speed graph gpx , speedometer graph in excel , gpx graph , speed graph