No, the pool ain't really limited it converts the string to hash and then based on that it chooses a avatar from 4.9b+ avatars that can be generated from combinations
16 karma · joined May 10, 2025
and
androids do usually have a greyscale mode on the devices preinstalled, I can work around a bit to make it compatible with firefox android as well but I think an app is what you are looking for? greyscaling particular apps right?