Give life to your phone and enjoy its colorful and animated butterflies.
Settings for butterflies: type, number, size, speed.
You can choose one from your gallery pictures as background or one of the many hand-made 1473labs wallpaper available on Internet.
=== IMPORTANT NOTE ===
The permissions "Full internet access" and "Modify/delete SDcard contents" are necessary only to use the wallpapers available on the 1473labs website.
Just in case you like them, you can set them as background and so these wallpaper will be saved on your SDcard