See Twitter through someone else's eyes. Now available in the App Store, here: https://itunes.apple.com/app/id1247577186
You are welcome to work on any bug or feature you would like. We recommend that you take a look at issues labeled as Your First PR. These issues are relatively small and self-contained, and should be perfect for anyone who is interested in getting their feet wet with the codebase.
pod install
GoogleService-Info.plist
file and copy it into the Xcode project