A portable application (portable app) is a computer software program that is able to run independently without the need to install files to the system it is run upon
The power of apps is migrating. There is pretty much an app for anything waiting to make your life simpler. People in this generation like to receive information or services for free and in easy access.
In 2009, Apple sold 99.4% of mobile apps.
So far in 2010 4.5 billion apps have sold causing a total of 6.8 billion in revenue.