The Keen.io iOS SDK was created to create analytics features into Apple applications. Overview includes installation and usage. In the usage section, developers can access information to add events, set global properties, use Geo location, upload to Keen, enrich data, and debug the app.
Google and Lenovo released the first Project Tango handset this week at CES. The phone includes an array of sensors that let apps cover real-world objects with digital overlays. It's sort of like augmented reality on steroids. Project Tango needs apps, and Google us willing to pay.