Hey there,
after several months of development I finally finished my LED control Arduino/Android project.
The story behind: After I bought some RGB LED stripes, I was annoyed by the never ending issues with the infrared remote control that was shipped with the LED set. So I decided to replace the old remote with a new one, that would look much better, which led me to my smartphone as remote.
My solution consists of two parts: The first part is an Android app (running on Android 4.0 or above), where you can choose your desired color or a fading mode. The selected color is then transferred via bluetooth SPP to the second part, an Arduino Uno, which controls a self-made three channel LED driver.
I have released the app for free at GooglePlay as closed source (LED control app). The corresponding Arduino sketch is available at github under Apache License (Github), including a short how-to and some other information about the used protocol or some variations (Wiki).
Now I am waiting eagerly for your opinions 
