Gambler Jiko Chuushinha 2: Dorapon Quest is a Miscellaneous game, developed by Bits Laboratory and published by Pack-In-Video, which was released in Japan in 1994.
A Mahjong game based on a manga about a prolific gambler. It's the first Super Famicom game in a long-running series, and was never released outside of Japan.
Gambler Jiko Chuushinha: Mahjong Kouisen is a Miscellaneous game, developed by Bits Laboratory and published by PalSoft, which was released in Japan in 1992.
A Mahjong game based on a manga license, published by Asmik for the NES and MSX in Japan only.
Unrelated to the titles with the same name on the Sega CD and Super Famicom, this was a direct follow-up to the original Gambler Jiko Chuushinha on the original Famicom.