Google App Engine SDK is available for download in PHP, Python, Java, and Go languages after accepting user terms. Google App Engine, a platform as a service, allows to build apps in the cloud, useful to scale development projects. Available previous SDKs, Google Plugin for Eclipse, and mirrors of the open source of the SDK.
Amazon has just announced the launch of Appstore Developer Select, a brand new program for developers that create Amazon Appstore and Fire OS optimized apps and games that use Amazon APIs such as GameCircle, In-App Purchasing, and Mobile Ads. The new Appstore Developer Select Program offers additional merchandising and promotion benefits to developers that create apps that meet the program qualification requirements.
In a world where real-time data streams are becoming much more common, and with the volume of that data continuing to increase, it makes sense that a framework would be developed to increase the ease at which that data can be processed. Yahoo! S4 isn't the first such framework to be concieved, or even open sourced, but it is likely to massively increase awareness that such frameworks exist, what problems they may help solve and get developers thinking about how they could use the technology and potentially increase the likelihood of somebody moving S4-like capabilities into the cloud and offering it as as service.