Kostas Giannakakis Apps
Einstein's Riddle 4.53
Try to solve the famous "Einstein's Riddle" and many of its variations!
Rating 3.8/5 Downloads 100,000+ Updated 3/14/2019
DOWNLOAD APK 8MB
Card Games 1.62
Two popular card games.
Rating 3.6/5 Downloads 10,000+ Updated 10/4/2016
DOWNLOAD APK 7MB