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.
Android applications (apps) can be downloaded from the Google Play store, which features over 2.7 million apps as of February 2017. Android has been the best-selling OS on tablets since 2013, and runs on the vast majority of smartphones.