You can pin your favorite tokens directly on the explore page.
How to pin a favorite token:
Select “search web3” to visit the Universal Search page.
Search for the token you want to favorite, then select the token to open the token details page. Next, Select the favorite icon.
Return to the Universal Search page to view all of your favorite tokens
How to remove tokens from your favorites list:
Press down on the token you would like to remove. Then, select “Remove favorite”