[codingdave]

Probably because Anguna was a homebrewed game, whereas most other ROMs would be copyright violations if they were offered directly online. In theory, to legally run a ROM, you would have had to buy the original game, so OP would be opening themselves up to legal troubles to offer ROMs directly.

[jimjimjimjim]

Yes exactly! I contacted the developer of Anguna and got his permission to include it