First Blender Animation

This is my first attempt at making an animation with blender. Please give feedback. It doesn't take that long to load (though there's a progress on the top-left for those who want it). Also, I have no idea what this is. If you are viewing this on a phone, then it'll show a black screen while loading. I have no idea why. It works fine (though it's a bit slow) once it's done loading though. Update: …