Go Caroling with Google Now's Christmas Song Karaoke Cheat Sheet for Android
If you're using an Android phone or tablet with Google Now, then you and your little ones are in for a little treat. Just tell Google, "Let's Go Caroling," and watch the holiday metamorphosis as your device changes into a personal, karaoke caroling machine. Just in time for the holidays!
Choose from one of five famous Christmas songs (Jingle Bells, Up on the House Top, Deck the Halls, O Christmas Tree, and We Wish You a Merry Christmas), press Play, then keep up with the bouncing ball as it highlights the lyrics for you to sing.
This should also work on iOS devices.
For more cool tips, check out our Ultimate Guide to Using Google Now for Android.