Add TrayAppears after early queue-pressure stages
Booster Decision Lab
A booster is good only when it changes the next move. Pick the blocker, then decide whether to spend, save, restart, or match the board first.
Spend or save
Use Add Tray only if the extra slot protects two pigs that can both hit the opener. Otherwise restart before spending.
Add TrayAppears after early queue-pressure stages
HandUseful once single bad stored pigs can freeze the belt rhythm
ShuffleHelpful after the board is ready but the belt order refuses to cooperate
Super ShooterBest for late blockers and high-HP-looking walls
Saving a run when two useful pigs are about to arrive but the five slots are already tight.
The board is still closed and you cannot immediately use the extra slot.
Using it before the opener color is visible.
Removing one wrong pig so the real opener can enter the tray.
Several slots are bad. Hand fixes one problem, not a full queue collapse.
Using it on an annoying pig instead of the pig blocking the next clear.
Recovering a matching board where you know the next needed color and the belt will not serve it.
The board is still blocked. Shuffling before opening space usually changes nothing.
Treating Shuffle as a solver instead of a queue reset.
Pushing through a large blocker after you confirm it is the real route opener.
You have not identified the blocker that unlocks the rest of the board.
Spending it on scattered pixels that normal ammo can clear.
Board-first field guide
Treat every power-up as a testable decision: name the board change you expect, spend only when that change is immediate, then check whether the route actually improved.

Capacity rescue
Give the extra slot a job before you buy the space.
What it changes. Add Tray increases holding room, but it does not open a blocked color or repair a weak route by itself.

Single-blocker correction
Use precision when one wrong pig is stopping a known route.
What it changes. Hand lets you correct one queue problem by reaching the shooter that the board needs now. It is not a reset for several bad slots.

Order correction
Reorder the belt only after the board names the color you need.
What it changes. Shuffle changes the incoming order. It can improve timing, but it cannot make a hidden target available or identify the correct route for you.

Route-opening force
Spend concentrated power on the gate, not on the surface.
What it changes. Super Shooter gives you stronger color control for a difficult target. Its value comes from what the cleared target exposes next.
No-spend checks
No fixed ranking: match the booster to the visible failure, then confirm the next useful move.
There is no fixed first choice. Match the booster to the failure: Add Tray for proven space pressure, Hand for one blocking pig, Shuffle for a known color arriving in the wrong order, and Super Shooter for a confirmed route gate.
No. A matching number is weaker evidence than a matching board. Open the solver or compare nearby board pages before spending into a layout that may use a different opener.
Shuffle only changes order. If the board is still closed or you have not identified the next useful color, the new sequence can reproduce the same pressure with different pigs.
Restart when you cannot describe the useful move the booster will create. A booster should solve a named obstruction now, not make an uncertain board last a little longer.
Decision flow
If the real blocker is still closed, most boosters only delay the same problem.
Use Hand for one bad stored pig. Do not use it for a full queue collapse.
Shuffle is strongest after you know the exact color you need next.
Add Tray is worth it when the added space directly protects a route opener.