STONE Display Alternative to Nextion Display

[epy]

In this Video we will see how to getting start to use STONE Intelligent TFT Display.
This Display is same as Nextion Display with add on features like STONE display can play video and can be flashed using USB Disk (Offline) and USB connection (online) mode.

https://youtu.be/gJFL2HQkMEw

[luma]

This is positioned as an alternative to Nextion.  What is the selling point?  Open source firmware or editor? Lower cost?  You mention playing video which Nextion can do (poorly), and flashing from USB disk (Nextion uses micro-SD to accomplish the same thing).