GB Genjin Land - Viva! Chikkun Oukoku is a Japanese Game Boy title whose name translates to 'GB Genjin Land - Viva! Chicken Kingdom.' This suggests a platformer game featuring a chicken kingdom as a central theme.   Given the 'Genjin' prefix, it's likely another entry in the GB Genjin series, possibly expanding the original's gameplay with new themes and mechanics.  Further research is needed to uncover the specific gameplay details and development team involved in its creation.

GB Genjin Land - Viva! Chikkun Oukoku (Japan)

GB Basketball (Japan)