npub1r472r6l048muneexp0tx0rmhdz890lq6t7ds30unknl40tm9udhsqswytr (npub1r47…wytr) most people I know who use Android do install apks from time to time. It's never a big deal for them. They don't consider phones any different from computers.
Either way, these kinds of non-approved third-party client apps have always been for the tech-savvy first and foremost.