Learn to play Piano (Keyboards) - Easiest way

Hi, i will show you the best software that you can use to learn to play piano (keyboards).
The software is called ,,Play Synthesia,,
Link for the program (windows, mac, i-pad): http://goo.gl/fZnGR

Features:
Play at Your Own Speed
Practice Hands Separately
Millions of Songs
Online Scoreboards
Finger Number Hints
Lighted Keyboard Support