Appboy offers CRM & marketing automation systems for developers to help expand their user audience. This is the official iOS SDK for developers to construct applications that can interface with the Appboy platform and API from iOS.
Google released a new software developer kit today for Google Play Services 8.4. The revised developer toolset includes a handful of new capabilities thanks to revised APIs. Play Services 8.4 and its new features should go a long way to improving app behaviors for Android devices.