Main features:
✔ 2 types of renderers (+ 2 with premium upgrade)
✔ Various particle effects (can be disabled)
✔ Displays current track metadata
✔ Various color themes
✔ Emulates visualization when music isn't playing (disabled by default)

Full version upgrade:
✔ 2 more renderers
✔ Full color theme customization
✔ More options for particle effects
✔ Set any custom image as background
✔ Animated water background

[IMPORTANT] This app doesn't work properly on certain devices.