The PS Vita has a physical cartridge slot. You can buy a used One Piece Pirate Warriors 2 (Japanese or English Asia version—note that the English dub is not available; it’s Japanese audio with English subtitles/UI). Sites like eBay or local retro game stores often have it for $30-$50. This requires zero downloads.
: Since the PS Vita is not region-locked for physical games, you can buy a Japanese physical copy from retailers like eBay or Amazon. Note that these copies will be entirely in Japanese . Game Overview: What to Expect one piece pirate warriors 2 ps vita download link
One Piece Pirate Warriors 3 has been delisted from the US PSN Store The PS Vita has a physical cartridge slot