Grocery List (com.vanniktech.grocerylist) on Google Play
Create as many grocery lists as you want to and finish the shopping in time. All lists will be saved and can be reused for the next shopping. Also multiple grocery list shopping is supported.When shopping the phone screen can be kept active so you do not have to unlock your phone every time you want to check / un-check something of your list.Also the checking / un-checking can be conveniently handled by pressing the volume up / down button.