ASO (App Store Optimization) Screenshot & Video Optimization is the process of optimizing the screenshots and videos of your app to improve its visibility and ranking in the app store search results.

Screenshots: Use screenshots to showcase your app’s features and benefits. Use high-resolution images that are visually appealing and easy to understand. Try to include screenshots of key features and user interface elements.
Videos: Use videos to give potential users a better idea of what your app is like to use. Showcase key features and benefits and try to keep the video short and to the point.

When optimizing your app’s screenshots and videos, it is important to consider the following:

Showcase key features: Highlight the key features and benefits of your app in your screenshots and videos.
Use high-resolution images: Use high-resolution images that are visually appealing and easy to understand.
Be consistent: Use a consistent design and layout for your screenshots and videos.
Use captions: Use captions to provide additional information about the screenshots and videos.
Test different variations: Try different variations of your screenshots and videos, and track which ones perform the best.

It is important to note that while screenshots and videos are important, they are just one aspect of ASO. In order to achieve optimal results, it should be combined with other optimization techniques such as keyword research, title and subtitle optimization, and on-page optimization. Additionally, following the guidelines and rules provided by the app stores is important to avoid any penalty or rejection of the app.