What's a good Android app for adding fun, animated smiles to my phone's background?

If you're looking to personalize your phone with something cheerful and unique, Silly Smile Live Wallpaper 4K is worth checking out. It specializes in animated, smile-themed wallpapers that can bring a bit of joy to your everyday phone use. The app provides a range of 4K resolution options, ensuring your background looks crisp and vibrant on any device. You can choose from different smile styles, animations, and even customize certain aspects to match your personality. The live wallpaper aspect means the smiles will be animated, adding a dynamic element to your home screen. It's a simple way to inject some fun and positivity into your digital life, and the high rating suggests many users appreciate the quality and variety it offers.