New research from Gartner says world revenue from mobile gaming is expected to exceed $5.6 billion this year. That's a 19% increase from last year's total of $4.7 billion. Growth is expected to continue for the next few years; in 2014 the market is projected to have reached $11.4 billion.
Gartner estimates 70% – 80% of all mobile consumer applications downloaded are mobile games, although 60% to 70% of these downloaded games are free.