The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Wavelength Laboratories, LLC:
How many stars can your pony collect? Race to the end of the rainbow, collecting as many stars as you can, but beware of the traps & cactus. Tap your device to jump. Use your stars to unlock new ponies. * Unlock new ponies (Ashley & Emily) * Upgrade to remove ads * Game Center Support