Go into the Urahara shop. Enter the password menu. Use one of the following actions on the touchscreen to activate the corresponding cheat function.

100,000 Kan for the Urahara Shop for Chappy
Draw five large counter-clockwise circles.

100,000 Kan for the Urahara Shop for Jar
Draw five large clockwise circles.

100,000 Kan
Draw five triangles in a clockwise motion.