Colorful Sparks

Randomly colored, evenly distributed sparks dance on the screen.
Touch the screen for a sunburst of rays or,
in color cycling mode, to stop and restart cycling.

Options include:

Size -- four sizes
Density -- four grades from few sparks to many
Color palette -- Brights, Softs, Pastels or All White
Random colors (all sparks different) vs. Cycling (all sparks together)
Color cycling rate -- five speeds
Animation speed -- choose the best for your phone
Turn touch effects on or off