[header] How to add emoji to your chromecast name [title] Make sure that your device keyboard has emoji. [step] Before you change your chromecast name and try adding emoji, you must install an emoji keyboard on your device. [substeps] All android devices running any os after kitkat 4.4 come with native support for hundreds of emoji. 
These can be selected directly from the keyboard. If you are on an older version of android, you can download any emoji keyboard app from the google play store.