what is Promotional and Feature graphic in Android Market/Play Store?

Question

What does it mean and need whether we are uploading our app into the market? Please Explain or give me a related links.

Answer 1

Featured graphics guidelines:

http://android-developers.blogspot.cz/2011/10/android-market-featured-image.html

List of graphics assets for your application:

http://support.google.com/googleplay/android-developer/bin/answer.py?hl=en&answer=1078870

You could also check our blog post summarizing all graphical assets for both Android and iOS:

http://www.skoumal.net/en/how-to-prepare-graphical-design-for-mobile-app/