We are still searching for game pictures and screenshots for Star Wars: Return of the Jedi (Gameboy). We do not have any cheats, codes, or hints yet.

Dance Hall SNKMTD
Sail Barge RWVJBC
Endor TFGBMN
Ewok Village HJMKPL
Power Generator QGTHGD
Death Star PSVZKL
Tower SFPYSW
Death Star mission 1 CGGYQN
Death Star mission 2 KFGZXQ

In the Endor Bunker level, fall down the moving platforms 3 times. Fall to the left and you'll land on a platform. Kill the droid and walk until you find a heart. It will restore your health completely.