J.K. Rowlings prequel to the Harry Potter series is set to hit theaters next week and Google wants to help you prepare by turning your phone into a magic wand. On an Android device, you can cast spells with an OK Google voice command. After you alert your phone with the magic phrase, follow it up with a command like lumos and nox to turn the flashlight on and off. You can also use silencio to mute any sounds and notifications. Sure, its rather simple, but its a neat way f…Read more