Android-Tacho

simple speedometer app and widget for Android 2.2 (and some 2.1 with different problems - use at your on risk ;-))
(screenshots in german but app in english)

numeric values for:
-speed (km/h, mph or kn)
-cyclometer (km, mi, nm)
-max. speed
-average speed
-route recording und speed trend diagram
-location (link to map available)
-available satellites and accuracy
-anchor alarm (leaving radius alarm)
-Headup-Display (HUD = MIRRORED view)
-landscape view
-widget for homescreens

Developer tested on
Android 2.2: HTC Desire, HTC Desire HD, Samsung Galaxy Tab
Android 2.1: Motorola Defy (sound crash on anchor alarm)