talkelley3 I believe the Clicks Communicator uses a MediaTek chip (source), and so far I don't believe any MediaTek phone chip meets the GrapheneOS hardware requirements.
It's not a rule, but in general most phones that are radically different from standard designs are small-volume, so producing them is expensive, so they often use cheaper chips that are less focused on security. So in general GrapheneOS won't run on most cool radical phones. That might change someday, but it's sort of part of the structure of the market at present.