Use this Objective-C SDK to develop with the Instagram API. This unofficial SDK is block based, and currently only supports user endpoints. Interested developers will also need an Instagram Developer Key to get started.
The Calling All Innovators Contest from ProgrammableWeb sponsor Nokia is offering app developers $35K in prizes for building creative applications for the Nokia mobile development platform (which reaches the world's largest audience of mobile device owners). The contest, which ends next week, is organized into three categories:
Google has begun pushing out Google Play Services 4.4 and along with it a host of new APIs for developers to use in creating applications for Android devices. This new version of Play Services stuffs in improvements to maps, location services, game services, mobile advertisements and Google Wallet.