Microsoft has now confirmed that Windows 11 will officially become available and rollout in a phased manner from October 5 with all eligible PCs expected to be updated by mid-2022. Android app support is not a part of this initial release but will be made available for Insiders to test out in the coming months.
https://www.notebookcheck.net/Windows-11-to-start-official-rollout-on-October-5-Android-app-support-will-be-available-only-in-2022.557841.0.html