Android APK optimization problem is big! Win10 gives up switching to iOS

At this year's Build conference, Microsoft announced four ambitious developer programs, Project Westminster, Project Centennial, Project Islandwood, Project Astoria, once for WebWin32iOSAndroid.
However, Microsoft is also fickle, and the fastest-growing Project Astoria has been put on hold indefinitely. Now Microsoft has focused on three other projects. Yesterday they released a new video introducing Project Islandwood.
It is reported that the Project Islandwood project allows developers to write applications for Windows 10 using the Objective-C language and use most of the iPhone's same APIs to support access to Windows native APIs, while adding new APIs for previously non-existent Microsoft features.
Since the project is open source, it can also allow other developers to participate in it, and speed up the process to show it to the end consumers as soon as possible.
hope Microsoft do not just make this point looks to break an agreement, but before the argument is that Android APK will become Win10 phone card, instability can not solve ......