If you have never worked with Amarino before, please visit www.amarino-toolkit.net and follow the instructions given on that site.
Before trying this project, please read this post: http://www.buildcircuit.com/multi-color-lamp-using-amarino-android-and-arduino/
In this application, you can set MAC ID of different Bluetooth modules. You don’t need to edit the source codes to change the MAC ID.
If you don’t want to see the source codes, you can control an RGB LED with these three steps:
b. Download Multicolor Lamp application: MultiColorLamp
c. Connect RGB LED to Arduino. Use D9 for RED, D10 for GREEN and D11 for BLUE.
If you want to edit the source codes, download from here: MulticolorLampWithUserInput
Arduino source code:
Use outputs D9, D10 and D11 for red, green and blue respectively. Download