ProjectEuler is an Android application that connects to projecteuler.net. It displays a users progress, allows a user to solve any problem and provides full offline access to the complete list of ProjectEuler questions. II became really addicted to the website. I was trying to plan the next problem each morning during my bus ride to work. I even ended up printing the first 50 questions. So I wrote this app to make it easier for me to keep track of my progress, to help me plan my next problem and to save trees.