I made an app and put that on Playstore. Is there a way I can change the screenshots of the app? Or if it is not possible will the update version remove the previous version an
Here's where you can manage your app’s graphic assets on the Play Console:
Sign in to your Play Console. Click All Applications All applications.
Select an app.
On the left menu, click Store Presence > Store listing.
Under "Graphic assets", you can upload your images and add a YouTube video.
In the new Google Play Console screenshots can be added like this:
Old Google Play Console will be discontinued from November 2, 2020.
Steps to update Screenshots on Android Developer Console
You can change the screenshots if you go to the Google Developer Console.
You select your app from the list, then go to store presence and select store listing from the menu on the left and there will be a graphic assets section on the page. You can add them there.