Chinese augmented reality (AR) firm Xreal is back in the spotlight via a partnership with Google to create the first eyewear powered by the US tech giant’s Android XR operating system, intensifying competition in the nascent market for spectacles supported by artificial intelligence (AI) technology. The start-up’s venture with Google, dubbed Project Aura, was among the key announcements made on Tuesday at the opening of the US internet search company’s annual I/O developer conference, which...