Θ Xamarin Talent Pool and Community Constraints.Θ High Cost for Professional and Enterprise Use.Θ Limited Access to Open Source Libraries.Θ Slightly Delayed Support for the Latest Platform Updates.⊕ Xamarin support of TVs, wearables, and IoT.⊕ Building apps for Macs with Xamarin.Mac Tool.⊕ Xamarin.Forms: a framework for creating native UI layouts.⊕ Open Source Technology with Strong Corporate Support.⊕ One Technology Stack to Code for All Platforms.