You can add any frequently used lists to your Favorites for quick access from the left menu. To add a list to your Favorites:

1. Navigate to the Lists section in the left menu.
2. Tap the list you wish to favorite to bring up its task list.
3. Tap the Title Bar at the top of the screen and then tap Edit list.
4. Tap the Favorites field and select Show in Favorites.
5. Tap Save.