The description, if not the video, bills this as a weather information display, reminiscent of some incarnations of tangible bits. The interactive play aspect is at once inane and highly entertaining. Levitation on remote control is great brain-candy. For that matter, floating forecaster is likely more fun, and cheaper, than the Star Wars Force Trainer.
To be really useful and sustainable, floating forecaster needs a svelte power envelope, which might require leveraging, rather than defying, gravity.