OK, it IS different
The user guide (which was found through @cosmiquemuffin providing a link) says to edit my avi by tapping "edit profile" (not yet found).
It is a good thing I like puzzles
Trying to decide why I might pay to use this vs twitter if Twitter goes $fee. It does appear to be more community-friendly than tribel. $fee is an issue for the fixed low-income folks
fee $peech is not free $peech