Tune your Kalimba 17 (C)
Play a key and Plonk shows the note it hears and how far off it is. Then teach it your instrument, so a kalimba that is a little out of tune still counts.
Not taught yet
Press Start listening, then pluck a key.
Teach Plonk your instrument
Play each key once, in order. Plonk remembers what yours really sounds like.