Android — Oboi Na

: Considered the most comprehensive personalization tool. It offers not only a massive library of 4K and live wallpapers but also ringtones and notification sounds.

Wall You | F-Droid - Free and Open Source Android App Repository

Reviews from platforms like Google Play and Aptoide highlight a few key pros and cons to watch out for: :

: Many free apps are heavy on ads or require "credits" to unlock premium designs.