PushBullet can connect all devices to share files and receive notifications. It works officially with iOS and Android, and independently for Ubuntu, Blackberry, and Windows Phone. The PushBullet PHP library by Ivaylo Stoyanov allows to manage contacts, create/delete channels, and manage channel subscriptions. Available links to the official API, blogs, and apps.
Google this week began to make its staged release feature available to Android developers. The idea behind this functionality is to let app writers seed their applications to a small number of users to ensure there are no bugs before a wider rollout to the entire installed base.
Developers, prepare your apps! Google is widely expected to debut its Android Wear 2.0 platform in early February, and the company wants to ensure a wide selection of compatible apps are available at launch. Be sure to take advantage of the on-watch Play Store and stand-alone functionality.