Listed below are a few mobile phone sites that carry MPIR in their directory.
MPIR Old Time Radio Listening APP <<NEW>>
I recommend the MPIR OTR app for android. I use it all the time!
I am sure there are several hundred more for both the iPhone and Android phones. If you use a favorite app to listen to MPIR Old Time Radio. Send me the link and I'll post here.
Regards, Clyde J. Kell