This is the best movie app I found for android TV box, NewFast is really fast streaming and they keep updating the latest movie or TV shows fast. It has very user friendly interface with English & Chinese language supported.
NewFast is require to register for first time, it was just required you to fill in Username & Password. Username must be under email format.
After logged in, there will having 4 type of categories which are Movie, Drama, Variety & US drama.
NewFast TV also collected massive of Korean, Japanese, China & Hong Kong movies & TV shows. If you are fancy about Asian movie & shows, this will be the best app for you.