Here is the full list of all 33 Amy's Greenmart achievements.
Serve 500 customers with full patience
Unlock all achievements
Complete all shops
Complete 100 days with a STAR (Normal Mode)
Upgrade 10 gadgets to the maximum
Serve 25 Celebrities
Help 25 lost Children
Serve 1,000 customers
Earn 20,000 coins
Pacify 50 Troublemakers
Catch 50 Thieves
Help 25 Senior Citizens
Heal 50 plants
Grow 300 plants
Feed the cat 100 times
Water 50 plants
Serve 250 customers
Complete all days in a shop with a STAR (Normal Mode)
Serve 25 customers with full patience
Buy all upgrades for a shop
Hire all helpers in a shop
Upgrade a Gadget for the first time
Clean the floor 50 times
Grow 100 plants
Serve 100 customers
Catch your first Thief
Feed the cat 20 times
Earn 1,000 coins
Call the delivery courier 20 times
Pacify your first Troublemaker
Complete 5 days with a STAR (Normal Mode)
Grow your first plant
Complete day one