With this App you can send and read easily messages.
You can send from your Arduino to your phone, a phone number and a text over Bluetooth.
The App then sends the text to this number.
Or the phone reads incoming messages and sends the phone number and text to your Arduino.
To find out how to use this App with an Arduino or if you would like a few sample codes, you can visit this page: http://nicolasdalloap.jimdo.com/
enable / disable Bluetooth
search for devices
show paired devices
connect a device
send messages (SMS)
read messages (SMS)
Important: You must first have paired your Bluetooth module.