Godot v3.2 added Android C# support, and Godot v4.2 (due out in November) is enabling both .net 6 and .net 7 support for the engine. From the Godot 3.2 docs on

Godot v3.2 added Android C# support, and Godot v4.2 (due out in November) is enabling both .net 6 and .net 7 support for the engine. From the Godot 3.2 docs on C#: > Exporting Mono projects is supported for desktop platforms (Linux, Windows and macOS), Android, HTML5, and iOS. The only platform not supported yet is UWP. And from a recent Github discussion for 4.2: https://github.com/godotengine/godot/pull/73257 https://github.com/godotengine/godot/pull/73257