My favorite app for old time radio dramas

Old Time Radio Player - Android Apps on Google Play

Welcome to the world of Old Time Radio! Travel back in time and listen to great radio mysteries, dramas and comedies from yesteryear. Over 14,000 episodes from more than seventy shows are available, all free of charge.

google.com

I remember trying this app years ago and being surprised by the quality and content. There are literally thousands of dramas to choose from. My favorites are the sci-fi drams like X Minus One or classics like The Shadow.