We discuss Echo Arena's Quest release delay, SteamVR audio selection improvements, HoloLens 2 shipping, Cosmos Wireless, $399 official used Vives, and more.This week's Hot Topic is VR killer apps. Is this a meaningful idea? Does VR need a killer app? Is Beat Saber already a killer app? Or will the metaverse be the killer app?Our Special Guest this week is Denny Unger, CEO of Cloudhead Games. That's the studio behind The Gallery story-based adventure VR game series, and recently released VR action game Pistol Whip!