Game wise Vita is getting soul sacrifice which seems to be MH like and later this year the new Ys game. Sony also seems to be pushing for a lot of indie titles on the go as well. (Limbo, hopefully Fez)
3DS game wise will have Animal Crossing: New leaf and SMT:Soul hackers coming out this year. Plus the eshop gets a random great game every now and then. (Crashmo) I expect 3DS would be the way to go if you want new games after this year unless Sony somehow gets the Vita out of the ditch it is in. (E3 might show all kinds of vita games hopefully...)
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