piemessage proxies through your own Mac though -- not some sketchy server in China. I'd imagine Apple shut down the one you linked to protect their users.
Re:PieMessage: iMessage on Android
by matthewmacleod on Wednesday May 04, 2016 @06:14AM
(#11627326)
that was promptly forced to shut down by Apple
I think we'd need a citation for that – AFAIK that app was pulled because of honking great security problems.
http://techland.time.com/2013/09/24/an-imessage-app-is-now-a...