Difference Between Android 2.2.2 and Android 2.3.4 -

9. A new download manager facility that supports easy storage and retrieval of downloads.

10. Support for multiple cameras

For Developers

1. Concurrent garbage collector to minimize application pauses and support increased responsiveness game like applications.

2. Touch and keyboard events handled better which minimizes the CPU utilization and Improve responsiveness, this feature is beneficial for 3D games and CPU intensive applications.

3. Use updated third party video drivers for faster 3D graphic performance

4. Native input and sensor events

5. New sensors including gyroscope is added for improved 3D motion processing

6. Provide Open API for audio controls and effects from native code.

7. Interface to manage graphic context.

8. Native access to activity lifecycle and window management.

9. Native access to assets and storage

10. Android NDk provide robust native development environment.

11. Near Field Communication

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