The statement seems obvious. Yet, still sometimes screenshots in App Store/Google Play are not updated. It may confuse and even disappoint your users. So, be attentive to such match. Read more on how to create effective app screenshots here:
How To Create Effective App Screenshots For Your App Store Page - Smashing Magazine
Slowly but surely, the official app stores of iTunes, Google Play and Windows Phone Marketplace have transformed into a digital battlefield. App developers have to fight for recognition or otherwise be drowned in an ocean of competing mobile applications.