Sound and Light for Android
You can see and enjoy the light by converting invisible but various sound, such as crowds at the concert, chatting with your friends, machines, music, etc..
The brightness of light is controlled by volume of sound, the louder sound gets the brighter light.
How to use
* birthday party, Christmas party, concert, and any other parties..
* when you want to enjoy the sound as the light in darkness..
Now, the sound as shining lights. Check it out!