OpenFool is a free and open source Fool (Durak) card game for desktop and Android.

Features
* Individual game for 2 to 5 players and 4-players partnership game
* 52-card decks: Standard Russian (designed by A. Charlemagne in 19th century, public domain - from Wikimedia), international (by Chris Aguilar - LGPL v3), French deck (by David Bellot - LGPL v3)
* Standard rules for throwing in (some convention can be customized)