Opt for well-known apps and websites that have clear policies on content rights. Examples include official YouTube apps, Vimeo, and other reputable platforms.

Many creators share their daily lives, offering insights into different cultures, habits, and more. Downloading or streaming these can be a great way to get inspiration or learn about new lifestyles.

| ID | Requirement | Details | |----|-------------|---------| | FR‑01 | | Only videos with downloadable: true and category: Lifestyle & Entertainment are shown with the download UI. | | FR‑02 | Quality options | Provide 4 preset bitrate/resolution combos. Use HLS/DASH adaptive streams; pre‑fetch the chosen rendition into a single MP4 container using the server‑side “transcode‑on‑demand” endpoint. | | FR‑03 | Resume support | If a download is interrupted (app killed, network loss), the client must resume from the last byte using HTTP Range headers. | | FR‑04 | Concurrent limit | Allow max 3 simultaneous active downloads per device. Additional requests are queued. | | FR‑05 | Storage management | Expose a Settings → Storage page showing total used by downloads, and a “Clear All” button. | | FR‑06 | DRM integration | Use Widevine (Android/Chrome) and FairPlay (iOS) for encryption; license is fetched on first offline playback. Offline licenses are stored securely and renewed automatically before expiration (if network is reachable). | | FR‑07 | Analytics | Track: download start, pause, resume, completion, deletion, failure reason, selected quality, device type, OS version. Send events to the existing analytics pipeline (Mixpanel/Amplitude). | | FR‑08 | Error handling | Show user‑friendly messages for: insufficient storage, network timeout, DRM failure, server error (500), content unavailable. Provide “Retry” button where applicable. | | FR‑09 | Accessibility | All interactive elements must be reachable via screen readers, have proper ARIA labels, and support high‑contrast mode. | | FR‑10 | Internationalisation | All UI strings externalised; provide translations for EN, ID, MS, TH (initially). | | FR‑11 | Privacy | Do not collect personally‑identifiable data from the download process. Store only a hashed video‑ID for offline‑play verification. |