First off, TKP Player is not meant to compete with any of the big players like VLC or MX Player.

With that out of the way, here are some reasons you might want to consider using TKP Player

TKP Player will (and cannot) spy on your data
Take a look here to see what permissions YAVP uses
TKP Player is completely free and without ads
TKP Player does not include any Trackers
TKP Player now has a media picker
TKP Player will play most Video and Audio Files and Streams
For a full list of supported formats, see here
Simple and modern User Interface
No flashy lights and thousands of buttons, just a simple user interface
Resume where I left Features
You can just close the app at any point - it will handle resuming for you later
Build and Optimized for watching Anime