Google Translate can give us a pretty good idea:
Page Translated
I guess "azazhs" was one of the people recently chosen by Teclast to participate in user trials. They had to do a review as part of the agreement...not sure if the review was supposed to be public though!
Some minor criticism of design, some more criticism of video file organization, player has trouble with FLAC tags, overall video performance seems good, sound can be weak & uninspiring but choosing the right ear/headphone helps (as with all players). Sennheiser PX200 seems to work well...which is good because I have a pair of those
From the photos and comments, we can also guess that the Meizu M3 is -for audio at least- his/her player of reference.
Here is a (long) Tudou.com video of the UI in action:
T50 Live