Task:  I am looking for a new smart phone for me, so browse for the "iPhone 15 Pro Max (256GB) in Blue Titanium" on the eBay app.
Steps:
Open the eBay app.
Click on the search box.
Type "iPhone 15 Pro Max (256GB) in Blue Titanium" in the search box.
Click on the search icon at the bottom right corner of the keyboard.