Jen Williams has seen the future, and like many of us, she’s worried about it. The studio lead at Cherrymochi, the Japan-based indie outfit behind the cult hit Tokyo Dark, spent the early 2000s working with Hewlett-Packard on GPS-triggered gaming experiments in Bristol. Back then, everyone was certain they were building a utopia. “This is the future and this is going to be in glasses,” she recalled her colleagues enthusing, years before smartphones existed. Two decades later, Williams has channelled that disillusionment into Dusk Index: Gion, a visual novel published by Bushiroad that spans modern-day and Meiji-era Kyoto, weaving a…