Facebook is an Android developer, who started before 2010, and thus is one of the Android pioneers. The current app portfolio contains 21 apps. In the Google rankings, Facebook's apps appear in the top 100 in more than 10 countries. Some important apps are Facebook
, Messenger – Text and Video Chat for Free
, and Facebook Lite
. All of them are highly ranked on Google Play and have been installed more than 500 million times.