Zynga Inc.
Zynga to launch mobile version of 'FarmVille' game

Zynga Inc. dominated social video games for PCs with "FarmVille" and "Zynga Poker." New versions for smartphones and tablets, being introduced this week in some markets, may determine whether the company stays relevant. Five years after becoming a hit on Facebook Inc., the first mobile version of "FarmVille" comes ahead of a global rollout in coming months. "Zynga Poker" and "Words With Friends" applications for Apple Inc. and Android devices also will get face-lifts as the San Francisco company seeks to shore up its foundation before introducing new titles later this year. Chief Executive Don Mattrick, who left Microsoft Corp. to take...