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Историческую версию Traffic Light Laser Meter можно получить на Android
Следите за светофором и проверьте, когда он станет зеленым.
Use this Traffic Light Laser Meter to monitor a traffic light and check when the light becomes green.
First point the circles on the traffic light and press the green button. Then wait for the traffic light that it changes to green. The app will recognize that and tells you that the light is green.
The app supports traffic lights with one, two or three lights.
This app can also be used to surprise your friends by showing them that you can monitor the traffic light with your smartphone.