Dennou Shinkeisuijakui Pairs © 1989 System Ten.
Match a pair of pictures, clear the level and eventually see some animated cartoon-ish babes playing with various toys.
Main CPU : Zilog Z80 (@ 5 Mhz)
Sound Chips : YM3812 (@ 2.5 Mhz), DAC (@ 2.5 Mhz)
Screen orientation : Horizontal
Video resolution : 512 x 240 pixels
Screen refresh : 60.00 Hz
Palette colors : 256
Players : 2
Control : 4-way joystick
Buttons : 2
Released in August 1989.
The title of this game translates from Japanese as "Pairs - Electronic Brain Concentration".
Shinkeisuijaku is the Japanese name for the card-matching game popularly known as 'Concentration', 'Memory', 'Pexeso', 'Pelmanism', or simply 'Pairs' as the title screen says.
Game's ROM.