Google has announced Android M Developer Preview of its Android operating system. And said that the central theme of M is on improving the core user experience of Android. Android M developer preview comes with some improved android permissions features. It allows users to control the app permissions this release. Now apps needs to trigger requests for permissions at run time only. Also google added the App links feature. Using this you can add an auto Verify attribute to your app manifest so that users can be linked deep into your native app without any prompt. Now users can discover your apps easily with App links, along with App Indexing in Google search. This release also adds Battery Doze. Using this Android devices smarter about managing power.