I created a kotlin project with the command gradle init, which I can build and run without issues. I know AndroidStudio uses gradle to build/deploy an android project. With this in mind, can i modify the generated kotlin project to also become an android project? I want that when gradle build is issued, an apk file is generated, instead of the jar being generated right now. And, if possible, being able to deploy the apk to the phone connected to the computer (either via usb or wi-fi).
You actually can, just add the AGP (Android Gradle Plugin) to your build.gradle script.
And from there, structure your project to as Android Project.
Of course it's like manual type of doing it, It's easier just to start an Android Project from Android Studio cause it will generate all the files needed for Android Project.