His publishing house publishes the main works of the media philosopher Vilém Flusser, which are available in the eleven-volume Edition Flusser, including the groundbreaking Philosophy of Photography, which has been translated into over twenty languages.
With the publication of Flusser's essay "The writing: Does writing have a future?" in 1986 on diskette, he is one of the pioneers of today's e-book. Andreas is the author of numerous texts on photo theory and has worked as a visiting professor and lecturer at institutions in Europe, North and South America and Asia.
His work has been shown in over 200 solo and group exhibitions worldwide since 1978. Recently he has been pursuing two long-term projects, Studies on Water, with portraits of the Danube and Hong Kong's water landscapes, and Studies on Traffic, in which he investigates traffic phenomena in various regions of the world, primarily using the medium of video.