Get all PowerApps in your tenant

#get all apps
$apps = Get-AdminPowerApp

#Array to hold result
$powerApps = @()
#Iterate through each field in the array
Foreach ($app in $apps)
{
    #Send Data to object array
    $powerApps += New-Object PSObject -Property @{
            'AppName' = $app.AppName
            'DisplayName' = $app.DisplayName
            'CreatedTime' = $app.CreatedTime
            'Owner' = $app.Owner.displayName
            'LastModifiedTime' = $app.LastModifiedTime
            'EnvironmentName' = $app.EnvironmentName
            'IsFeaturedApp' = $app.IsFeaturedApp
            'appType' = $app.Internal.appType
            }
}

#exporting the array to csv
$powerApps | Export-Csv "C:\Development\PowerShell\TEMP\powerAppsExport.csv" -NoTypeInformation -Force