Multiple video tracks (EG different cuts) - Firecore - Community
You can produce your own 100–200 MB MKV files from legally owned discs (where permitted) using free software: 133 Mkv Movies
However, AV1 requires powerful hardware to decode. Until mid-range phones support hardware-accelerated AV1, H.265 will remain the king of the 133MB niche. Multiple video tracks (EG different cuts) - Firecore