It got installed but uninstalled after about five minutes.
It is not bad but not much fun either.
It reads the colours and different colours will give you different sounds that you can then play using the C-Major scale and with an addition of four drum sounds in the bottom row.
Maybe the most interesting part is that the app is developed by an artist and his other projects looks interesting!
To read the Creators Project article go here:
http://thecreatorsproject.vice.com/blog/listen-to-the-color-of-pizza-with-this-synesthetic-app
To go to the artist / developers website:
http://julianglander.com/
Play Store link:
ROY G BIV Color Synth