With the next Google Play Services update the following devices will be able to mirror to CC, with other devices added later: HTC One M7, LG G2, LG G2 Pro, Nexus 4, Nexus 5, Nexus 7 (2013), Nexus 10, Samsung Galaxy Note 3, Galaxy S4 and Galaxy S5.
Chromecast mirroring will blast any Android display to the big screen | Android Central
Chromecast mirroring will blast any Android display to the big screen | Android Central