An app launcher replaces the stock user interface for organizing the home screen and app icons predominantly in the Android world; however, they are also available for jailbroken iPhones (see iPhone jailbreaking and Cydia). See Launchpad.
What is the problem what am I supposed to do?
The wires that are simultaneously connected to all devices in the network are;
SDA(Serial data line) and SCL
Integrated Circuits Communication
This involves I²C which is a form of communication based on integrated circuits.
Now, this I²C is a serial communication interface that has a bidirectional two-wire synchronous serial bus which usually comprises of two wires namely SDA (Serial data line) and SCL (Serial clock line).
Read more about integrated circuits communication at; brainly.com/question/26153031