(2) What is "Explore" for?

When you tap the "Explore" icon, it brings you to the PicCollage "Wall" where we display all the collages that are shared to PicCollage.  
For home feed, you can see collages made by you and the users you follow.
For featured feed, you can see the feature collages selected by us.
For contest feed, you can attend the contest created by other users and have fun together. 

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