The actual permission is 'read phone status and identity', which I guess is used to pause a meditation session if you get a phone call. 'Access to photos' is ne

The actual permission is 'read phone status and identity', which I guess is used to pause a meditation session if you get a phone call. 'Access to photos' is needed to get access to external storage, presumably to download audio files. Disclaimer: I'm not an Android dev, this is just what I've picked up from the internet.