Since 2012, the average time spent playing games on mobile devices has soared from an average of 80 minutes daily to 120 minutes per day in 2014.

As for the most active age group in this regard, it's kids two to 12 years old who play an average of five games daily.

What developers and marketers of mobile games are most interested in seeing is who's spending the money and that would be adults age 25 to 44 since they're the prime decision makers for their young children's gaming experiences.

The researchers say the explosion in mobile gaming is tied directly to the rising popularity of tablets as well as technological improvements.  Consumers are more apt to buy games on tablets than either smartphones or iPod Touches.