Project Astoria retrospective
The Astoria project failed. It required more than 10 times more manpower compared to Islandwood to create it, and it couldn't even generate Windows APPX. The Android subsystem lagged and reduced battery life on Windows Phone, even if you didn't use Android apps. In general, it was too much effort for an insufficient result. Android apps are usually very low quality so it was inevitable that the Astoria project would run into these problems.
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