function List($target)

{

    if($target.count -gt 1)

    {

        for($i=1;$i -le $target.count;$i++)

        {

            if(($target[$i] -ne "")-and($target[$i] -ne $null))

            {

                "["+$i+"]"+$target[$i] | Write-Host -ForegroundColor Yellow

            }

        }

    }else

    {

        "There are no devices, yet!" | Write-Host -ForegroundColor Yellow

    }

}

Write-Host "---------Check-log----------" -ForegroundColor DarkMagenta

$devices = adb devices

Write-Host "Below are the devices attached:" -ForegroundColor Cyan

List($devices)

Write-Host "Choose the device number:" -ForegroundColor Green

$choice = Read-Host

$keyword = Read-Host "Type the keyword you want to find"

adb -s ($devices[$choice].split())[0] logcat|Where-Object {$_ -like "*"+$keyword+"*"}