It is built into the game analysis. So, if you go to an active Daily/Correspondence game or one from your archive, then go into the analysis option/icon, you will see an icon of a book with a pawn on the cover. Choose that and you will be in the explorer.
Most Recent
Forum Legend
Following
New Comments
Locked Topic
Pinned Topic
Is there a way to access chess.com's opening database on the app? I'm using an android if it makes any difference.