The folks in Redmond upped the cross-platform apps effort with the purchase of Xamarin. The acquisition gets MS the tools to help developers using Microsoft C# build apps for Windows, iOS, Android, and the Mac.
HP Elite X3 is business phone that drives a laptop
HP's smartphone uses the Continuum feature of Windows 10 to turn into a desktop and laptop. This is accomplished using a dock on the desk, and HP plans to release a special laptop that uses the phone for the CPU.
Microsoft no longer plans to release a bridge to get Android apps ported to Windows 10. It will continue to provide tools to get iOS and Win32 apps onto Windows 10. This follows the acquisition of Xamarin which already has tools to aid developers in the Android port effort.