Playstore optimisation for wallpaper App

I am looking for an experienced freelancer to help me optimize my wallpaper app for the play store. The ideal candidate should have experience with app store optimization and be able to help me identify and refine my target keywords. Additionally, I need help optimizing my app's title and description to ensure it is ranking well in the app store.
The app can be be found here :
https://play.google.com/store/apps/details?id=com.superbeta.wallbyte

Skills and Experience:
- Experience with app store optimization
- Ability to identify and refine target keywords
- Experience with optimizing app titles and descriptions
- Knowledge of app store ranking factors

The project also includes selecting promotional visuals for my app store listing. I already have visuals, but welcome any feedback and suggestions on how to improve them.

Skills and Experience:
- Ability to provide feedback and suggestions on promotional visuals
- Experience with creating and selecting visuals for app store listings.