Mobile application for "Golden Section" auction house. "Golden Section" auction house is founded in 2004 and since then carries regularly out auctions and exhibitions sales of works of classical painting of the XIX-XXI centuries, arts of alternative currents (vanguard, nonconformism, an underground), modern "actual" art, subject design and the photo, and also the Russian orthodox icon. Information on auctions, lots, artists, departments of the auction house allows to look through the "Golden Section" app. Users have opportunity to like lots and to send the link to them by mail or through social networks. Also there are is available all contact information of the promotional house and specialists of departments in the app.