Final verdict Smart YouTube TV is a practical, community‑driven solution that breathes new life into legacy Android TVs and boxes. On Android 4.4.2 it can work well for basic, TV‑style viewing—especially if you choose a build compatible with legacy hardware and accept lower resolutions, limited sign‑in reliability, and potential maintenance needs. It’s an excellent short‑to‑medium term fix for hobbyists and budget setups, but not a permanent replacement for a device running a current Android TV/Google‑certified YouTube app.