The official app for Leo Bigger's newest book "Esther - Mit Gott die Welt auf den Kopf stellen". With this app you can scan QR codes in the book to get additional material: Interviews with the author / excerpts from the ICF musical "Esther" / live clips from ICF Worship / excerpts from sermons / multimedia collages and more. In addition, you will find links and information about Leo Bigger and the ICF Church. Enhance your reading experience with this app. Enjoy!