UPDATED WITH MORE INSTRUMENTS AND MELODIES!

Small and funny application. Piano for you and your kids. Has 13 keys, 1 octave. Very easy to handle.

It supports multitouch and has a very good quality sounds for piano, trumpet, guitar and bells.

Now with "follow me guide" which shows how to play simple melodies (Happy Birthday, Bingo, Twinkle Twinkle Little Star, Frere Jacques, Oh Susanna, Old McDonald, Yankee Doodle, Ode to Joy, 500 miles, and more ...).

PS. Quality of multitouch depends on phone model - it is far from ideal on some devices, especially when fingers are close to each other.

Screenshots: