Android L Developer Preview
If you have Nexus 5 or 7 you can try the new Android L since 26 June. Google makes big changes on the way to kill the passwords with a method called personal unlocking. Google said that security is a key element for Android and its users. A new feature will enable users to unlock their smartphone when physically near enough a device like an Android Wear smart watch. It’s a bit like cars with key less entry.