Buy the poster. Download the app. Go WÖW! This is the usual process. You buy a fine poster from great artists, in our e-shop at our site (wowsterposter.com). Once is delivered you download the free WÖWSTER app, for Android. And you are ready to be amazed every time you scan your poster. Every poster has different augmented reality content, only accessible with the app. Our first collection PÖSTELONA is signed by different Barcelona artists, on Barcelona topics. WÖWSTER is an original, arty and very creative poster. The perfect gift or souvenir for art, illustration and decoration lovers.