1. Android Growth Momentum Strong; Symbian Aggressively Defending Its Turf
2. Comparison between Android and Symbian OS Platform Architecture
2.1 Overall Platform Architecture
2.1.1 Android Platform Features High Degree of Portability
2.1.2 Symbian Gives Vendors Diverse UI Design Flexibility
2.2 Operating System Kernel Layer
2.2.1 Android Encourages Hardware Vendors' Support through Hardware Abstraction Layer
2.2.2 Through S.H.A.I, Symbian Accelerates Development of Mobile Device Companies
2.3 Middleware Layer
2.3.1 Android Simultaneously Solves Efficiency and Licensing Issues
2.3.2 Developers Can Achieve Strategic Goals through Symbian's Multiple Runtime Environments
2.4 Application Layer
2.4.1 Android Applications Based on Java, Contributing to Cross-platform Usage
2.4.2 Symbian Attracts Developer Groups for Own Use
3. Licensing Methods
3.1 Android Uses Licensing Clauses Beneficial for Enterprise Development
3.2 Symbian Aims to Re-make Ecosystem by Adjusting Licensing Model
4. Android Development Revolves around Network Applications; Symbian Aims to Create Mobile Entertainment Platforms
5. Conclusion
5.1 Google Aims to Make Android into Portable Internet Service Platform
5.1.1 Android Features High Portability; Becomes Means to Develop Diverse Devices
5.1.2 Flexible Licensing Models Accelerate Development of Android Industry System
5.1.3 Low Hardware Requirements Benefit Development of Diverse Mid-range and Value-line Products
5.1.4 Google Could Become Mobile Service Platform through Android
5.2 Symbian Falling, But Still Has Advantages; Market Positioning and Development Schedule Will Influence Future Development
5.2.1 System Relatively Old; Nokia's Positioning for Symbian to Affect Future Development Direction
5.2.2 Expand Developer System though Licensing Transfer and Uniform UI
5.2.3 Profit Model Transforming; Nokia Relies on Acquisitions to Beef Up Symbian Applications
5.3 Shortening Development Schedules and Pushing Navigation Applications Are Common Features of Android and Symbian
Appendix