3. PlatformFrameworkTools Bring your own

4. End user experience Great apps delivered to the user’s choice of device Development agility to move at mobile speed Developer Experience + + -

5. Web Native

6. Full access to client features and power High flexibility and customization per device Device-dependent Device-independent Easier management Constrained device integration and performance Web Native

8. Black Box

10. Minimum duplication No customization per device Inefficient bandwidth <meta name="viewport" content="width=device-width" /> @media only screen and (max-width: 1024px) and (max-height: 768px) {... }

12. Maximum flexibility Likely to duplicate code DisplayModeProvider.Instance.Modes.Insert(0, new DefaultDisplayMode("iPhone") { ContextCondition = (context => context.GetOverriddenUserAgent().IndexOf ("iPhone", StringComparison.OrdinalIgnoreCase) >= 0) });

14. Best experience for devices Still not a native app… new

17. Xcode ADT Visual Studio + + - ✗

19. Model View Model View Device-specific Portable code References Databinds

21. .NETC++ JavaScript PERFORMANCE REACH