Then there's Roku's adapter, updated recently with the Play Movies & TV store, and support for screen mirroring from Android or Windows Phone devices a little earlier. (slashgear.com)
Complimenting the closed - captioning addition is the release of the device screen mirroring feature for Chromecast. (goodereader.com)
The Fire TV Stick also supports screen mirroring via Miracast. (tomsguide.com)