cd %ANDROID_HOME%\emulator
emulator -avd <emulatorName>
e.g.
cd %ANDROID_HOME%\emulator
emulator -avd Pixel4a
emulator -list-avds
https://github.com/appium/java-client/tree/master/src/test/java/io/appium/java_client/android
adb shell pm list packages
adb shell pm list packages > C:\work\trash\OUTPUT.txt
Checking top 5 processes by ADB command
ADB shell top -m 5 -d 1
Solution for Windows OS
Kill the process qemu-system-x86_64.exe if emulator is not responding Full path to the EE file can be like this: C:\Users\User\AppData\Local\Android\Sdk\emulator\qemu\windows-x86_64\qemu-system-x86_64.exe