The file naming convention you mentioned refers to specific technical formats:
Similar to Amazon, you can buy the season and download it via the Apple TV app. download-harley-quinn-s03e07-aac-mp4-mobile-mp4
A standard audio format that provides high quality at low bitrates, ideal for mobile devices. The file naming convention you mentioned refers to
Available for purchase and offline viewing on Android and iOS devices. Technical Specifications (AAC/MP4) download-harley-quinn-s03e07-aac-mp4-mobile-mp4
Typically indicates the file is encoded at a lower resolution (like 480p or 720p) to save storage space and ensure smooth playback on smaller screens.