Google has unveiled ARCore, a new software developers’ kit (SDK) and set of tools for building augmented reality (AR) applications for Android. The launch suggests the inevitable demise of Tango, Google’s other AR platform, which labored under hardware requirements with which ARCore appears to be unburdened. Google’s launch is a response to Apple’s ARKit, which was unveiled back in June, and which was well-received by developers. Currently, ARCore is only available in a limited preview form, running on the Google Pixel phone and requiring Android 8.0 Oreo or 7.0 Nougat, or on the Nougat-running Galaxy S8. Google says it is working with Asus, Huawei and LG, to add ARCore to their handsets. Google is apparently aiming to have the SDK…