Mx Player For Android 4.1.2 _best_ -

: The HW+ decoder allows the app to use the device's hardware to decode video, reducing CPU strain and lag.

Finding a compatible video player for older devices can be a challenge, especially for Android 4.1.2 Jelly Bean. remains one of the few high-performance options that offers stable older versions specifically optimized for these legacy systems. Compatible Versions for Android 4.1.2 mx player for android 4.1.2

MX Player 1.9.14 (arm-v7a) (nodpi) (Android 4.0+) - APKMirror : The HW+ decoder allows the app to

: A useful plugin that locks the screen during playback so children cannot accidentally place calls or open other apps. Installation Guide mx player for android 4.1.2