5KPlayer is the best free 4K 5K 8K music video player to play MKV MTS DVD 1080P videos and APE FLAC MP3 AAC music easily.
5K Player naturally detects and plays Dolbys, RStereo, DTS multi-channel surround sound in any kind of audio format, be it MP3, AAC, OGG, AC3, WMA, FLAC & ALAC lossless, presenting unparalleled experience in sound. 5k Video Player is a free media player that knows how to play every bit just beautifully and genuinely.
This 5k Video Player is a free UHD multimedia player is an online video music downloader as well that supports over 300 online video audio hosting sites. Without subscription, you can free download MP4 MKV AV1 MOV AVI VR 360° in 4K 5K 8K Ultra HD or 1080p HD resolution
which can save you a lot from the hassle of converting subtitle format. 5K Video Player reads the subtitle automatically in the same folder as the video, or you can just simply drag & drop the subtitle file in to the playback in Android Mobile.
All-in-one media player and downloader. 5KPlayer is a free and advanced media player that comes with downloading and mirroring capabilities.
From version 5KPlayer - All Format Video Player 1.0:

4k,5k,6k,8k High Resolution Player Free & Fast !