This weekend, while scrolling through Instagram to catch up on the Milan menswear shows, I got an ad from Louis Vuitton highlighting an app-based game it created as part of its expansive collaboration with the artist Yayoi Kusama. After downloading it, I found myself colouring in different objects — Kusama-esque faces, the LV logo — as they floated around my living room in augmented reality on my phone screen. I wound up returning to it…