This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built Touch Grass Bingo is a nature bingo card that you play outside. You open it, get a seasonal card (a red leaf, an acorn, moss, a feather, a mushroom…), and put your phone away. When you find something, you take one photo. An open-weight vision model running on your phone checks it and marks the square. The center square is never free. It is "Touch grass" : a photo of your ...