Motor control
hold left / dragemit a growth cue — the exploratory front flows toward it
hold right / shiftretract — pull cytoplasm back out of a region
spacehold the clock
Rreset the dish
hold / dragemit a growth cue — the exploratory front flows toward your finger
RETRACT padswitch the verb, then hold to pull cytoplasm back out of a region
two fingersretract without switching pads — a second finger flips that drag
HOLD / RESETthe buttons under the dish stop the clock and restart the plate