$computername = 'namecomp1' , 'namecomp2' 
foreach ($computer in $computername)
{
    $result = Invoke-Command -ComputerName $computer  { (Get-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows NT\CurrentVersion\Winlogon'-Name Shell).Shell  } 
   $result = ([regex]'(--kiosk.+)').Replace($result,' "$1"')   
    Invoke-Command -ComputerName $computer {Start-Process $result}
}