For publishing your application in android you have to go to the google play console. Then you have to login or sign up. You have to create the application and write the name of the application. You have to give the details about your application. Then you have to add the logo and images about your app. Then you have to select a category to give contact details and link privacy policy. After that, you have to create a release and upload App Bundles and APKs. Afterward, you have to select pricing. Then you have to select if your app contains ads or not. Then you have to go to the App Content and after that, you have to set the target age group, click on edit review, and then click on start roll out to production. The status will change to pending once the app is submitted and that is how you can publish your app.