According to Weekly Shonen Jump, 3D movies of One Piece and Toriko were announced to premiere on March 19th, 2011. One Piece 3D is an original story about the missing straw hat of Luffy.

The Straw Hat crew salvages a treasure chest from a sinking wreck, inside which they find an old lady. To get the pirates to take her home, she promises them the treasure of a golden crown on her island: Mecha Island. Upon arrival, the crew is attacked by the lord of the island but he has a change of heart and decides to seek their help to solve the mystery of the Golden Crown.

(Source: ANN, edited)

The crew comes upon Crown Island where the animals can talk and they makes Chopper their new king. But there are human hunters there also looking for the legendary horns that will give the person who consumes it immense power. Luffy and friends must stop them from destroying this animal kingdom.

(Source: ANN)

The rigorous city life of China, while bustling and unforgiving, contains the everlasting memories of days past. Three stories told in three different cities, Shikioriori follows the loss of youth and the daunting realization of adulthood. 

Though reality may seem ever changing, unchangeable are the short-lived moments of one's childhood days. A plentiful bowl of noodles, the beauty of family and the trials of first love endure the inevitable flow of time, as three different characters explore the strength of bonds and the warmth of cherished memories. Within the disorder of the present world, witness these quaint stories recognize the comfort of the past, and attempt to revive the neglected flavors of youth. 

[Written by MAL Rewrite]