By | December 13 2012 3:24 PM

The marketplace for mobile applications continues to rapidly expand, with countless apps being added to Apple’s (Nasdaq: AAPL) iOS app store and Google’s (Nasdaq: GOOG) every week and Microsoft (Nasdaq: MSFT) now stepping into the arena with its own line of Windows Phone 8 smartphones. A study released in July from mobile consulting and research firm Flurry estimated that mobile users would spend upwards of $10 billion on mobile apps in 2012 alone. And on Thursday, it released an additional, clarifying report: Mobile games make up 80 percent of that spending.