Touch mode
What a click, tap or drag on the photo does (piano mode overrides it).
Rainbow shanks
In Lights mode: click a shank and it lights up in its colour, then fades. With Sustain on,
it stays lit until you click it again. Lit: none
Rainbow piano (secret)
Unlocked on the site by tapping the bottom-right corner of the photo (X-ray shows the
spot). Shanks play C to C; drag across for a glissando; keys 1-8 also play.
Idle eggs pause while it's on. Piano mode: off
