Just got my hands on the DS version and it is straight up viva piniata with real animal, you plant flora give the seeds to animals try and create a environment to lure in new animals, give them some loving to make them stay and so on. I am early on so i am sure there is a lot more to it but that is the basic. The game explains everything really well so if you are new to the concept you can easely get into it. Everything is touch based on the DS version so things like shaking a tree you do by rubbing over it.
Hey its a Viva Piniate clone, which is AWESOME.
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