Google has assembled a coalition of more than 30 companies, collectively known as the Open Handset Alliance (OHA), that have pledged to bring Android to market.

FORBES: Magazine Article

He focuses ( again) on the Open Handset Alliance (OHA), which OEMs agree to when they work with the platform, promising to keep Android a happy (and relatively compatible) platform.

ENGADGET: Google Senior VP of Mobile: Aliyun OS 'under no requirement to be compatible', but it won't get help from Android ecosystem alliance