As the EU tries to encourage Europe's software industry, some ideas on what helps and what hinders progress has come out from the OECD.
It says governments and legislative bodies have to be very careful not to introduce distortions, but there are some aspects of competition policy which can assist.
Apps are one of the main sources of innovation in the economy and have remained an area of spectacular growth during the economic downturn, says the latest OECD paper. They extend the communications potential of the Internet beyond the traditional desktop computer and enable users to benefit from a lot of information services anywhere and at any time.
The app economy is dynamic and evolving, and policy makers are keen to maximise the potential for innovation and benefit all sectors of the economy and society. But policy makers need to understand the mechanisms of the app economy in order to support innovation and maximise benefits, the report says.
The current wave of app development is the result of the growth of broadband, new portable devices and some innovative and appealing services on open networks. The growth has been phenomenal [see chart]; with over 800,000 apps available for Apple's IOS, and nearly 700,000 for Google. On average the android smartphone user will have 26 apps - most of them free.