Combos
Match four pieces to create a special ingredient that removes pieces in a cross shape. Matching five pieces in an "L" or "T" shape to create a special ingredient that can remove nine pieces. Matching five pieces in a straight line to create a rainbow ingredient that can remove any color. Combine any of those special ingredients together to amplify their effects.
Restore energy
When you are out of energy, you usually have to wait until you can play again. To restore your energy instantly, advance the time on your device. Afterwards, set the time back to its correct value.