Is there some way to interface with Vutoria?

This looks awesome, and its free! (I think)

The Vuforia Engine is a software module that you include in your app to give it the power to see images, or “targets,” from a Vuforia target database. When a target is recognized, your app takes over to generate augmented reality experiences, unlock new functionality and content, or unleash anything else you can imagine.

The Vuforia platform enables augmented reality (AR) app experiences that are best in class and creative beyond definition. These experiences reach across most real world environments, giving mobile apps the power to see.

Vuforia is a software platform that uses top-notch, consistent, and technically resourceful computer vision-based image recognition and offers the widest set of features and capabilities, giving developers the freedom to extend their visions without technical limitations.

With support for iOS, Android, and Unity 3D, the Vuforia platform allows you to write a single native app that can reach the most users across the widest range of smartphones and tablets.



https://www.vuforia.com/platform

It looks like the Vuforia API is implemented in a native mode library and so needs a significant part of any app to be written in C++ and compiled using the Android NDK.

Vuforia write about Vuforia SDK 2.8:
"Simpler Development: The newly launched Java APIs make it easier than ever to add Vuforia-enabled experiences to Android apps in Eclipse. No C++ is required although it is still supported if you prefer to work with the NDK."
https://developer.vuforia.com/forum/news-and-announcements/announcing-release-vuforia-sdk-28