Just tells you speed using GPS only. No network, no charges, no ads.
Java
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.settings
.svn
apks-release
assets/.svn
bin
gen/com/biophysics/android/gpsspeed
res
src/com/biophysics/android/gpsspeed
.classpath
.project
AndroidManifest.xml
README
project.properties

README

This is open source GPS speed app

This shows only 
speed
Altitude
Accuracy
Latitude
Longitude