Use APKPure App
Get Night Vale Community Radio old version APK for Android
https://play.google.com/store/apps/details?id=com.razielsarafan.communityradio
Well, this is awkward.
Shit happens, I guess. I cannot update this app anymore since I lost the keystore I used to sign it. It sucks and I'm sorry. You can download the new version here https://play.google.com/store/apps/details?id=com.razielsarafan.communityradio