With Gwent - A Calculator you are able to play the card game Gwent from The Witcher 3: Wild Hunt using analog cards. Print out some cards (guide below), download this app and start playing!
Usually a computer, console or smartphone calculates your points, but with a real life opponent this calculation can get very complicated. Gwent - A Calculator is solving this problem!
Simply add some cards to your combat row, change the weather or activate a Commander's Horn, and the app determines your points. Additionally, an extensive rulebook can be found in the app.
To print the cards, you can follow the instructions given here: https://github.com/PeterNaggschga/Gwent#overview