The document discusses various iPhone apps and their performance in the AppStore in March 2010. It mentions the apps AppBank, SmackTalk!, and PUFF! It provides usage statistics for different apps, with the most popular app being the AppStore itself at 57%. Games like Homerun Battle 3D, Peggle, and Bejeweled 2 are also listed among the top grossing apps that month. Various Twitter accounts provide commentary on app trends and rankings in the AppStore in March 2010.