Task: I don't want to forget that I have to go to the store to get groceries. In the Just Reminder app, create a reminder with the subject "grocery" and the details "rice, meat, and fruits" for tomorrow, September 28, at 7 p.m.
Steps:
Open Just Reminder app
Click on the add icon at the bottom right of the screen
Click on the add icon at the bottom right of the screen
Type Grocery in the title 
Click on the notes option
Type rice, meat, and fruits in the notes option
Click on the enter button at the right bottom of the keyboard
Scroll up the screen
Click on the Reminder time option 
Select the date 28 september
Click on the ok button
Click on the time option
Click on the 7 pm o' clock 
Click on the 00 on the clock 
Click on the ok botton
Click on the save button on the top of the screen