they are still supporting WinForms with modern, cross platform .Net builds, meaning that you can use modern C# and .Net features in a runtime that is supposed to have been replaced by their XAML products a long time ago.
Microsoft is all about corporate clients, that’s why their Windows is backwards compatible down to Windows 95, because there is some big corporation that buys the corporate license in bulk and runs some corporate Windows 95 accounting application on it.
There were two or three MIPS Android tablets long time ag, at the time of Android 5. Now Android does not have MIPS support anymore.