Ancient-flute-like instrument, meet touchscreen. Hold the phone up to your mouth, blow into the microphone, and press combinations of four onscreen buttons to produce notes, all in the same key. With a little practice (and breath control), you can compose some spirit-stirring melodies.
WIRED Explore new scales with various key-change options. Listen to tunes created by other users around the world.
TIRED There's a thin line between "spirit stirring" and "annoying droning."