Android Store Account;
Name - Your app's name on Google Play
Your title should be unique and accessible, avoid common terms, and reinforce what your app is about.
Keep your title focused - longer titles are likely to be truncated depending on the device your users are browsing on.
Avoid using subtle misspellings of general terms, as users may end up correcting misspelled search terms.
Short Description - The first text users see when looking at your app's detail page on the Play Store app. 80 character limit;
Full Description – Your app's description on Google Play. 4000 character limit.
Focus on your users and what they will get from your app.
Review your app’s description on the Google Play app and web store to ensure that the most vital text is visible “above the fold”.
Use SEO Best Practices in your Description, but be mindful of Google Play Content Policies regarding SPAM and IP Infringement (e.g. keyword spamming, impersonation, etc).
Screenshots - You can upload up to 8 screenshots for each supported device type: Phone, 7-inch tablet, 10-inch tablet, and Android TV.
To publish your Store Listing, you must provide a minimum of 2 screenshots.
JPEG or 24-bit PNG (no alpha)
Minimum dimension: 320px
Maximum dimension: 3840px
The maximum dimension of your screenshot cannot be more than twice as long as the minimum dimension.