_maybe_ this is the right executable name

flake.nix

@@ -119,7 +119,7 @@
             activity = "MainActivity";
           };
         in
-          "${emulator}/bin/emulate-it???";
+          "${emulator}/bin/run-test-emulator";
       };
       devShells.gradle = pkgs.mkShell rec {
         name = "nix-native";