Thanko here employs its typically low-fi approach to converting your phone into a projector with the Smartphone de Theater, a simple cardboard projector which gives you the home theater experience. Place your phone in the box and then you're all set to watch that blockbuster through the projector's lens.
We think you'd be hard-pressed to find a projector easier to use than this, or one as lightweight or compact. It uses no power source since your phone is actually doing all the hard work, funneled through the lens of the projector.
The Thanko Smartphone de Theater Projector features: