Whether you choose to download the lightweight MX Player Classic version, install a custom ARMv7 NEON codec for expanded format support, or explore alternatives like VLC for Android, the most important thing is that your Android 4.1.2 device does not have to be left behind when it comes to high-quality video playback.
MX Player for Android 4.1.2: The Ultimate Guide for Legacy Devices mx player for android 4.1.2