Microsoft announces that the company is planning to add support for Android and iOS in .NET 6. The next major version of .NET (i.e. .NET 5.0, currently in Release Candidate 1) is going to be shipped in November 2020, and .NET 6 will be shipped in November 2021 as an LTS (Long Term Support).
If you are an application developer, you should know Microsoft's plan on releasing the next versions of .NET, and the support for Android, iOS platforms. Conversely, they will stop supporting platforms that are no longer relevant.