Используйте приложение APKPure
Историческую версию MKV To MP4 Converter можно получить на Android
Преобразование MKV файлы в формате MP4.
Converts MKV files to MP4 file format.
You can convert a single MKV file or a batch of MKV files at a go.
All conversions are done in the background with a notification that displays conversion progress.
PLEASE NOTE:
#All Converted Videos are saved to Movies folder.
# Ensure your Android device has a mounted SD Card with free space.
# Ensure your Android device has google play services installed.
***This app uses FFMPEG library.