Complete the following tasks to unlock Vita trophy rewards.

Trophy	How to unlock
Apprentice Cashier (Bronze)	Get the 'Apprentice Cashier' title by collecting 10 stars.
Experienced Cashier (Silver)	Get the 'Experienced Cashier' title by collecting 100 stars.
Master Cashier (Gold)	Get the 'Master Cashier' title by collecting 170 stars.
Combo Breaker (Bronze)	Make a 25 Combo.
Hard Worker (Silver)	Hold 3 minutes during an Endless stage (days 10, 20, 30, 40, 50 and 60).
Star Chaser (Silver)	Complete a full month with 3 stars only.
Take a rest now! (Gold)	Complete day 60.