Attached is the only ROM chip data of the cartridge of Star Keeper. As far as I see it, all it does is play sound and send controller input to the CPLD.

Actually, I saw this file earlier, and naively thought that some kind of compression was used in it and that the file needed to be decrypted.
Unfortunately, this game will not be available to play on hardware. Anyway, considering how much time it took all the attempts to dump the ROM, this game isn't worth it.

Attached is the only ROM chip data of the cartridge of Star Keeper. As far as I see it, all it does is play sound and send controller input to the CPLD.

No, because the game itself runs on the CPLD. The 6502 program only reads the controller and plays sound. It's basically like the DOOM cartridge except that you don't see it.

Perhaps the Steam version of this game will give at least some hope to play the game, even if without sound (like the Steam version of Jay and Silent Bob).

I wonder if anyone has a multicarts of ROM dumps with collections or standalone ROMs of games released later than RexSoft or ASDER PC-95 16-in-1. Please share if you have such roms or builds.
This is what I have
(Note: ASDER 16-in-1 badly ported to 241 mapper, it often freezes):

i don't even know what Whelk could be