Cortana for Android arrived onto a lock screen near you starting in January. However, that functionality has been in beta up until today. From now on, if you have the Cortana app on Android, you're able to interact with the virtual assistant straight from your lock screen, without needing to unlock your phone. You get a list of things that Cortana thinks are important to you, only a swipe away. What's more, though, you can ask the assistant questions or have it set reminders - all from the lock screen, all without unlocking. Obviously, it will deliver the answers you seek in a nice...
Source: http://www.gsmarena.com/cortana_for_android_now_lets_you_interact_with_it_on_the_lock_screen_-news-24224.php
