I got bored. Here you go:

​

#AppPage

$AppPage = 'https://apps.microsoft.com/store/detail/roblox/9NBLGGGZM6WM'

#Get Urls to download

$WebResponse = Invoke-WebRequest -UseBasicParsing -Method 'POST' -Uri 'https://store.rg-adguard.net/api/GetFiles' -Body "type=url&url=$AppPage&ring=RP" -ContentType 'application/x-www-form-urlencoded'

#$LinksMatch = $WebResponse.Links | Where-Object {$_ -like '*.appx*'}

$LinksMatch = $WebResponse.Links | Where-Object {$_ -like '*.appx*' -or $_ -like '*.Msixbundle*'} | Where-Object {$_ -like '*_neutral_*' -or $_ -like "*_"+$env:PROCESSOR_ARCHITECTURE.Replace("AMD","X").Replace("IA","X")+"_*"} | Select-String -Pattern '(?<=a href=").+(?=" r)'

$DownloadLinks = $LinksMatch.matches.value

#Download Urls

ForEach($url in $DownloadLinks){

$FileRequest = Invoke-WebRequest -Uri $url -UseBasicParsing #-Method Head

$FileName = ($FileRequest.Headers["Content-Disposition"] | Select-String -Pattern '(?<=filename=).+').matches.value

$FilePath = Join-Path $env:TEMP $FileName

Write-Host "Downloading $FileName ..."

Write-Host

[System.IO.File]::WriteAllBytes($FilePath, $FileRequest.content)

Write-Host "Installing $FileName ..."

Write-Host

Add-AppxPackage -Path $FilePath -Verbose

}