The XR ecosystem is heating up. On one side, Meta’s Spatial SDK/Horizon OS  is redefining how developers build for Quest devices without heavy game engines. On the other, Google’s Android XR OS —backed by Samsung and Qualcomm—is positioning itself as the open standard for spatial computing. Both platforms promise to democratize XR development, but their approaches reveal two distinct philosophies. 🟣 Meta Spatial SDK / Horizon OS Meta’s Spatial SDK lets developers use Android