Toy Pop is a simultaneous 2 player game where the players must open jars and boxes. The back story is that two dolls, Pino and Acha, have gone into the castle of the witch Majyo, who has kidnapped their friends. Along the way, they must pick up various weapons to defeat different enemies.
This is the game's description as it appears after starting the game:
"PINO AND ACHA ARE GOING TO MAJYO'S CASTLE TO SAVE FRIEND"