iOS AR experience app by cabbibo turns your viewpoint into an iridescent psychedelic aquarium:
ARQUA! is creative toy for bringing fantasy to life. You can create your
very own rainbow aquarium by painting kelp, hatching fish, drawing
coral, and much much more. Once your aquarium is created, you can
explore with your new world; teasing fish, tickling kelp, and twisting
crystals. The next day, in a new place, begin again, creating a another
unique psychedelic wonderland.