Okay, the guy filmed a video with a cell prone held vertical. That alone should raise questions on his credibility. Beyond that, using any sort of buffing head to 'restore' an old finish seems like a horrible idea. Even if everything works perfect you'd still be left with a surface that would be inferior to what you'd get with an actual, dirt cheap buffer, or even polishing compound and a rag. It won't work perfectly though, what's more likely to happen is you'll burn through the finish and the pad will catch on the corners, ripping the drill out of your hand and sending it across the shop.
You want to restore furniture, thats not the way to do it. Maybe if you were buffing metal, but not wood. Get a buffer like hwebb posted, $20 at Walmart and won't screw up your piece