Even the appeal of piloting a remote control toy ball around your carpet tends to wear off after a while. As such, Orbotix has been pushing the augmented reality aspect of its Sphero hardware pretty hard for the past several months. Now the company is announcing the availability of a new AR SDK through Github, as well as a Unity-based plug-in that lets developers build games around existing 3D models. The latter was created for iOS, with an Android version coming shortly. The company's also announcing an "App Bounty" program, promising the gift of funds to developers w