Try lightweight intuitive video player.

This is a video player that support SMI SRT SBV and SSA subtitle file.

SMI SRT SBV and SSA file have to exist at same place with movie file.

if you have a /sdcard/AAA.mp4 SMI file name must have /sdcard/AAA.smi.

It supported Subtitle mirroring for Side by side(SBS) video Colored SMI Support Ruby tag
Subtitle time sync adjust Subtitle size Subtitle position folder browser Volume control Brightness control Volume Key reverse mode Repeat A-B positions display remain time (click duration) etc

* Support play speed at Android 6.0 or higher