The first thing you'll notice when you boot up iOS 10 is the fancy new lock screen. It's different looking and you might be a bit shocked to see the familiar "Slide to Unlock" is gone. There are plenty of other tweaks too. Don't worry, most of these changes are for the better.
Tagged With lock screen
Android (rooted): Some Android handsets support a "knock code" unlock feature -- tapping on the screen in a certain pattern to gain access. An Xposed module can bring the same option to just about any rooted phone running Android 4.2 and above.