Follow below mentioned steps to easily publish your Android app on Google Play Store by yourself:
Step 1: Go to Google Play Console
Step 2: If you have a Google Developer account, login, else Signup
Step 3: Click on PUBLISH AN ANDROID APP ON GOOGLE PLAY button
Step 4: Create Application dialogue box will appear. In the Title field, enter your application name, and click on Create button
Step 5: Go to Store Listing. You will see Product Details, enter a Short Description and Full Description for your application here
Step 6: Scroll down, and Click on Browse Files button to add at least one phone screenshot of your application. In Hi-res icon, upload your App icon, and in Feature graphic, you can upload any image of your app (like, Company Logo or Splash Screen)
Step 7: Next comes Categorization. Here, you need to select Application Type & Category, and apply for Content Rating
Step 8: In Contact Details, you need to provide an email address where you may be contacted. If you want, you can also provide your website as well as phone number here
Step 10: Click on SAVE DRAFT button
Step 11: Click on App Releases menu present on the left-hand side panel, and then click on MANAGE
Step 12: Now click on CREATE RELEASE button
Step 13: Click on Opt-Out button
Step 14: Now click on Confirm
Step 15: Click on Browse Files button to add Android App Bundles and APKs
Note: You can download the app’s apk file from yourAppy Pieaccount. Go to My Apps >> Test App >> Android
Step 16: Click on Content rating menu present on the left-hand side panel and then click on CONTINUE button
Step 17: Here, you need to provide your Email address. Once the email address is confirmed select appropriate Category of your app
Step 18: Next comes a few questions related to your app, complete this Questionnaire by selecting Yes or No, and then click on CALCULATE RATING button to continue
Step 19: It will take you to the Questionnaire summary section, scroll down and click on APPLY RATING button
Step 20: Click on Pricing & Distribution menu present on the left-hand side panel and select the appropriate option, to list your app on Google Play as PAID app or FREE app
Step 21: If you have selected Paid option (as mentioned in the previous step) then click on add a price and provide the price of your app. If you have selected Free option (as mentioned in the previous step) then skip this step and click on MANAGE COUNTRIES button.
Step 22: Select the countries where you want your app to be available to the users,If your app contains ads, then click on Yes, it has ads else, select No, it has no ads
Step 23: Scroll down and Tick-mark the checkboxes - Marketing opt-out, Content guidelines, US export laws
Step 24: Click on Save Draft button
Step 25: Click on App content menu present on the left-hand side panel
Step 26 : Click on Start button
Step 27 : Select Target age group.
Step 28 : Click on Next
Step 29 : Select Appeal option yes or no.
Step 30 : Click on Next.
Step 31 : Click on Submit button
Step 32 : Now, Go to Store Listing.
Step 33: Click on Ready to Publish button.
Step 34: Click on Manage Releases
Step 35: Click on Edit Release
Step 36: Click on Review
Step 37: Click on Start Rollout to Production
Step 38: If your app status changed to Pending publication, it means your app is successfully submitted on Google Play