Meet Universe2go: an educational kit that links stars and planets with the digital world, answering your questions about objects in the sky. The companion app covers all 88 constellations in the sky. You get a close-up view of planets, galaxies, and star clusters. Over 3 hours of audio content is also available.
The device is pretty easy to use. Simply start the app, insert your smartphone into the gadget, and you are set. Just move your head to find stars and galaxies. More information is available here.