The default video player gets a big upgrade with iOS 16 and iPadOS 16. The redesign brings a drastically modernized UI, as well as some new features and enhancements. Apple uses the system video ...
Android natively supports various video codecs including MPEG-4 SP, H.264 AVC, and H.263. However, your stock Android video player app might not run HEVC files and several other formats if it's old.