Anecdotally, the All4 app works fine on my phone and over chromecast. The biggest media app I've had issues with is the Virgin Radio app. I guess one of the re

Anecdotally, the All4 app works fine on my phone and over chromecast. The biggest media app I've had issues with is the Virgin Radio app. I guess one of the reasons behind this is the Ch4 news which I feel is excellent but is generally very critical of almost everyone.