I use Show Box with LocalCast
1. go to the play store and download localcast
2. do the same and get show box
3.install localcast 1st then show box
4. go to show box click on update then look for a film/show
5 untick the use internal player box
6. click high then watch now
7. now pick localcast from the list and then your chromecsst
8. sit back and watch your movie/show