There are a lot of nice features to this app and the pinch and zoom feature allows you to make some interesting changes to your perspective of the sky. You will discover that there is a quick start guide in PDF format that you can download from the site. When I touched the about key there is a link to the developer's website. The app does not come with any instructions for it and it is not so easy to figure out some of the controls. If I laid the tablet down it may respond in a few minutes. Unfortunately the settings seemed to lock up a lot, even to the point that my Samsung Tab 4 would not even respond. The star lore is interesting as it covers the history of the study of the stars over different cultures. You can also set the correct time, Landscapes, turn on the planet names, set your location, view star lore and the about information. The location lets you turn off the GPS and enter in the closest city to your location and there is a very large list of cities around the world included. Lets be honest, how many times are you going to have WIFI when you are out in a field looking for stars or out camping. You can turn on your GPS to use it to find your location or enter it yourself. If you touch the gear in the lower RH corner and then touch the wrench icon on the LH side of the screen a settings table pops out to allow you to make adjustments. When I turned on the app it stated that it was dark outside and then I realized that it thought I was in Paris France. Stellarium mobile is created by two of the original developers of Stellarium, the Desktop version of this famous astronomy and planetarium software. * 3D rendering of the major solar system planets and their satellites * realistic landscape and atmosphere with sunrise, sunset and light pollution simulation * asterisms and illustrations of the constellations for several sky cultures * a catalog of many nebulae and galaxies, with pictures for some of them * a catalog of over 600,000 stars displayed as a real time zoomable sky map * the control of the direction of view using the device accelerometers * a very intuitive touch-screen interface This award-winning astronomy application is finally available on Android featuring: The sensor control will also enable you to identify what you see in the sky in just a few seconds, just by pointing the phone at it! It shows a realistic night sky map in 3D, just like what you see with the naked eye, binoculars or a telescope. Stellarium Mobile is a fully-featured planetarium for your phone.

How to use stellarium mobile 1.23