Disco Lights (com.amberfog.discolights) on Google Play
With Disco Lights you can use your phone as real music lights machine during live concerts, discos or parties. Just start it, select visualization mode and enjoy!Disco Lights listens music carefully and colors it respectively!No setup is needed, works everywhere "out of the box". For devices with Android 2.3 or newer there is also an option to switch between microphone or music player audio.Main features (technically speaking):- Integral FFT usage for visualization- very low battery consumptionTry and you will love it!BTW, try to speak to the app as well, see what your voice looks like.