Task Parallel Library (TPL) [https://docs.microsoft.com/en-us/dotnet/standard/parallel-programming/task-parallel-library-tpl]
c# lessons (also about multithreading) [https://metanit.com/sharp/tutorial/]
Task Parallel Library (TPL) [https://docs.microsoft.com/en-us/dotnet/standard/parallel-programming/task-parallel-library-tpl]
c# lessons (also about multithreading) [https://metanit.com/sharp/tutorial/]
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Upload an app, privacy policy [https://support.google.com/googleplay/android-developer/answer/113469#privacy]
Android advertising id [https://play.google.com/about/monetization-ads/ads/ad-id/]