-Speed view(km/h, mph, knots)
-Limit display speed.
-Altitude view（meter or feet, Geoid adjust support）
-Total, Move, and Stop time view.
-Move distance view.(km, mile)
-Speed limit Alert.
-Portrait and Landscape support.
-Can them run in the background.
-Supports English and Japanese.
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.