Is there a possibility to add things more, normal, like animal a even something with Rumia ?
Yes there is, however small. A Scene with Rumia is possible, but unlikely to happen anytime soon. Regarding normal animals, not sure what you mean :P, but if you mean mammals, there is a low chance that we add more, besides a Dolphin, however there won’t be much more on that front, perhaps boars as suggested by some.