An easier question to answer is what was Holden not critical of...there would be a lot fewer things! Anyhow, look at that word: phony. Loosely, this means someone (or something) that is not acting genuinely, or in a fraudulent way. Holden finds many people in the story guilty of violating this code of conduct.
Facebook Messenger app takes the No. 2 spot on the most downloaded list. By worldwide revenue, the top three iOS apps of all-time are Pandora Radio, Line Messenger and Zoosk.
The statistic shows the most popular categories in the Apple App Store ranked share of active apps. In March 2017, business apps were the second-most popular category, with a share of 9.88 percent of active all apps being business apps. As of summer 2016, more than 140 billion apps were downloaded from the App Store.