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