Google complete its Android 2.2 mobile OS, characteristic enterprise-level improvement as well as a speed boost and Flash hold.

Codenamed "Froyo," for cold yogurt, Android 2.2 comprise more than 20 new features geared to ventures, said Google's, vice president of engineering.

Amongst these is fuller addition with the Microsoft Exchange messaging system, with such capabilities as account auto-discovery and linkage with the Exchange global address book.

InfoWorld's Paul Krill reported that HTML5 also is receiving a lot of notice at the I/O conference. Stay up on tech news and reviews from your smartphone. Remain up on key cell phone developments and impending with the Mobile Edge blog and Mobilize newsletter.