Super Game Boy had 32 built-in palettes, and SameBoy can use them for a preset list of games like Super Mario Land 2. just like original SGB did. I haven't found an option to choose a palette for just any random Game Boy game in SGB mode (the first one is always used). Would you consider adding such option in the future?
This feature kinda-sorta exists. You can use DMG mode with a custom palette while retaining the SGB border to achieve the same effect. The only caveat is that multi-player SGB games won't work. For example:
Super Game Boy had 32 built-in palettes, and SameBoy can use them for a preset list of games like Super Mario Land 2. just like original SGB did. I haven't found an option to choose a palette for just any random Game Boy game in SGB mode (the first one is always used). Would you consider adding such option in the future?