Well, it can smartly pick up between your phone's internal storage and a memory card too.
Out of the dual panels, the left signifies your Mac, and the right one is your Android phone. You can pick between a Grid view or a List view on either of the panes. Most importantly, you can transfer files that are larger than 4GB (**happy dance**) easily. It provides a very pleasant-looking dual-panel interface for transferring files between your Android phone and a Mac. The OpenMTP is an excellent free, open-source alternative of the Android File Transfer for Mac users.
