Mr. Jong (c) 1983 Kiwako.
A puzzle game.

>>> TECHNICAL DETAILS
---------------------
Main CPU : Z80 (@ 2.578 Mhz)
Sound Chips : (2x) SN76496 (@ 2.578 Mhz)
Screen orientation : Vertical
Video resolution : 224 x 240 pixels
Screen refresh : 60.00 Hz
Palette colors : 16
Players : 2
Control : 4-way joystick
Buttons : 1

>>> TRIVIA
----------
Mr. Jong was distributed by Sanritsu.
This game is known outside Japan as 'BlockBuster' and as 'Crazy Blocks'.

>>> OTHER GAME RESOURCES
---------------------
Game's rom.