It is an application that tells you real-time time information, how many seconds the green light lasts, and when the green light turns on.Please do not blindly trust the information in the app as there is a slight error for each mobile phone model.
Use it for reference only :)
https://andro.io/app/b-light
Power 100
Android app profile
신호등 for Android – Latest Version & Features
by Boardwheelet
★★★★★
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> 2.2k
Monthly Downloads
~$900
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