The official Java SDK allows to record Keen.io data from any Java application. Resources available on GitHub include an Android quick start with installation, gradle, maven, and JAR download. Some of the usage instructions explain how to build a keen client, use the KeenClient singleton, and work with the source.
The line between what constitutes a software-as-a-service (SaaS) application and a platform-as-a-service (PaaS) environment has always been relatively thin. SaaS applications that expose an API to third-party developers can quickly transform into a development platform.
During the first few days of this December, over 1,000 civic technologists collaborated around the world during the Sanitation Hackathon. The Hackathon's mission was simple in words, but immense in potential impact: "to tackle leading sanitation challenges." Teams of developers joined to tackle various problem statements that threaten basic livelihood across the globe. Problem statements fell into one or more of seven categories (i.e. governance, handwashing, open defecation, rural, toilets, urban, and waste water).