Yeah some of the Twinery ones do some really cool shit I would like a play around with at some point. As in the ones that implement a full phone OS operating systems and work a story around it. Just a shame the genre is NTR 😞
What are you looking for in terms of similar?
OF Simulator? Like Family Business by Family Dev
or
Visually Similar? Like Demon Deals by Breadman
There really is not a game that comes close to Starmaker in both. Maxs Life by Kuggazer is a left field suggestion, but this is a 3D art style and the women are not quite as curvy (well besides the woman you start the milk farm with, she is nice on the eyes....)