In this app users can find a very good collection of emoji wallpapers that they can choose to personalise their phone.
The live aspect of the app comes from the features like: on-touch effects emojis floating randomly on the screen and an extra glitter effect.
If you don't know what wallpaper or effect to choose Emoji smiley face wallpapers also has a "random" button that will randomly select an image for you an effect a touch effect and what particles to float on the screen.
You can make your own app by adding an image from your gallery or camera.