We built Blue, a voice assistant that can use any app on your phone via a tiny USB-C hardware “hand” we call Bud. Here’s how we went from concept to 100 working units in 55 days for YC Demo Day.3D printed experiments, even the iPhone is 3D printedBlue turns voice into action. Bud enumerates as a standards-based USB HID device and drives iOS’s Accessibility pointer (AssistiveTouch), allowing Blue to tap, swipe, and type across real apps, without requiring APIs or special app integrations. You can...