Goal: Open the Yahoo Mail, click on the Star button to mark a Coursera Email as starre
Step instructions:
Open the Yahoo Mail 
Swipe up to see the Coursera Email 
Swipe up to see the Coursera Email 
Click on the Star Icon to Star the Coursera Email 
Actions:
action_type: open_app
app_name: Yahoo Mail
action_type: scroll
direction: down
action_type: scroll
direction: down
action_type: click