BearShark is an endless runner based on the CollegeHumor shorts of the same name that were originally made for the Nintendo Video app.
The test folder contains a text file that simply says:
File: BearShark_not_finalrom.zip (64 KB) (info)
The folder not_finalrom contains a map file of, presumably, an earlier version of the game.
American Mensa Academy Leftovers
Leftovers from one of Silverball Studios' earlier games, the 3DS version of American Mensa Academy.