Play-mat for Android needs access to those categories:
• "Photos/Media/Files" to read your all media files :)
• "Storage" to read your all media files on SD cards :)
• "Other" to check network connections, change the volume, set the ringtone, run on Android TV and display the popup view, see below for details.
Permission Details :
• It needs "read the contents of your USB storage", in to order to read your media files on it.
• It needs "modify or delete the contents of your USB storage", in order to allow deletion of files and store subtitles.
• It needs "full network access", to open network and internet streams.
• It needs "prevent phone from sleeping" in order to prevent... your phone from sleeping when watching a video.
• It needs "change your audio settings", in order to change audio volume.
• It needs "modify system settings", in order to allow you to change your audio ringtone.
• It needs "view network connections" in order to monitor whether device is connected or not.
• It needs "draw over other apps" to start the custom picture-in-picture widget.
• It needs "control vibration" to give feedback on the controls.
• It needs "run at startup" to set recommendations on Android TV launcher screen, only used on Android TV devices.
• It needs "microphone" to provide voice search on Android TV devices, only asked on Android TV devices..