LightDetector is an application to check the brightness by detecting light using the illuminance sensor terminal.
I will tell the sound level of brightness.
I can be used to, such as low vision or who are blind to examine the lights this app.

If you touch the screen to me Speak brightness of the place now is whether the brightness of how much.

[Note]
1.
It can not be used in the terminal the illuminance sensor is not installed.

2.
Install and configure the "N2 TTS" the assumption is the voice guide by touch screen.
https://play.google.com/store/apps/details?id=jp.kddilabs.n2tts