SAN FRANCISCO--(BUSINESS WIRE)--Glu Mobile Inc. (NASDAQ:GLUU), a leading global developer and publisher of free-to-play games for smartphone and tablet devices, today announced financial results for its first quarter ended March 31, 2015. “Glu delivered a strong start to 2015 evidenced by our ability to exceed expectations across all key metrics, particularly non-GAAP revenue which increased 33%,” stated Niccolo de Masi, Chairman and Chief Executive Officer of Glu. “The outperformance during th