GagBook is a 9GAG app that allow you to view the post from 9GAG with a simple and native swipe-based UI.
View posts in hot, trending or vote section
Simple & native UI
Go to previous or next post by swiping left or right
View Facebook comments for each post
Share post url using Harmattan's integrated sharing
GagBook is open source and licensed under LGPL v3, source available at GitHub.