If you want to achieve success with your app, you need to ask yourself what people will experience when they find it in the app store.
The fact is, poor icon design, snarky review comments, crappy screenshots, and bad grammar do you no favors.
Your app store presence should be a display of your skill and finesse. So don’t leave potential users doubting your skill and questioning your finesse before they’ve even hit the download button. Consider that without a strong, well-developed app store presence, they may not hit the download button at all.
Here's a basic overview for newcomers of how to make the most of your very own place in the app stores.