I’m not on android, nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z could answer what block does technically.
Can always test and see what shows up on https://listr.lol
I’ve only use mute for spam, and I might be more inclined to use it more liberally if it there was a local option… this would mean, going to another client that mute wouldn’t be carried over.