like in

a page icon could be extended to User avatar image and Group avatar image

could be used similarly to Custom Emotes in Discord

Should pop an emoji picker - emojis should not be rendered by devices (on Android App emojis look like ass) instead we should convert emojis to images

click on page icon to pop Lightbox just like a regular Inline media objects

in the same way that Title will be subject to Version history so too will the page icon. submitting an edit without Skip moderation permission will send it to the Owner moderation queue