I think I still didn't understand the the theme ... ._.Simple little images to use to express different moods
See here for some non-osu examples https://creator.line.me/en/guideline/
That's an interesting piece of work but it doesn't quite fit the theme; check out this page for a better idea of what we meant by "stickers:" https://creator.line.me/en/guideline/ We're looking for simple, iconic images that convey some kind of mood.
dont judge i liek ice
and its still considered as sticker.