This is a free version with ads. There is also a paid version without ads of this app.
* All-new camera app
Mechanicam can detect a color in the screen. When it detects the specified color, it can take a picture or play a sound or count the number of changes automatically.
* Accurate color detection
Mechanicam uses algorithm close to the human sense for the accurate color detection.
* Shutter speed adjustment
You can adjust shutter speed according to the target speed. If you use the low-speed mode, you can run this app for a long time by low electric power consumption.