It supports ALL video formats, 4K/ultra HD videos, and plays them with high-definition, sound effect and subtitle. HD Video Player also protects your private videos from being seen or deleted wrongly by others. KEY FEATURES: ● ALL formats, including MKV, MP4, M4V, AVI, MOV, 3GP, FLV, WMV, RMVB, TS etc. ● Play HD, full HD, 1080p and 4K video. ● Hardware acceleration. ● Protect private video with PIN code. ● subtitle downloader. ● Play video in pop-up window, split screen or background. ● Cast vi