Tenet Arduino meets Android Tenet Arduino meets Android
the author of this app says:
Arduino Meets Android via Bluetooth at Tenet Technetronics
Simple App designed by Tenet Technetronics (http://tenettech.com) that allows one to connect an arduino to an android app using the bluetooth interface. The app demonstrates a simple interface where in a android app communicates to a digital pin on the Arduino using the BlueSmirf bluetooth modem from Sparkfun electronics.